1422300 has 72 divisors (see below), whose sum is σ = 4499712. Its totient is φ = 344000.

The previous prime is 1422293. The next prime is 1422367. The reversal of 1422300 is 32241.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3085 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2^1422300 is an apocalyptic number.

1422300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249856).

1422300 is an abundant number, since it is smaller than the sum of its proper divisors (3077412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422300 is a wasteful number, since it uses less digits than its factorization.

1422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1422300 is about 1192.6021968787. The cubic root of 1422300 is about 112.4597386795.

Adding to 1422300 its reverse (32241), we get a palindrome (1454541).

It can be divided in two parts, 142 and 2300, that added together give a palindrome (2442).

The spelling of 1422300 in words is "one million, four hundred twenty-two thousand, three hundred".