1422351 has 24 divisors (see below), whose sum is σ = 2381184. Its totient is φ = 801360.

The previous prime is 1422293. The next prime is 1422367. The reversal of 1422351 is 1532241.

It is not a de Polignac number, because 1422351 - 2⁶ = 1422287 is a prime.

It is an Ulam number.

1422351 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6636 + ... + 6846.

It is an arithmetic number, because the mean of its divisors is an integer number (99216).

2^1422351 is an apocalyptic number.

1422351 is a deficient number, since it is larger than the sum of its proper divisors (958833).

1422351 is a wasteful number, since it uses less digits than its factorization.

1422351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 328 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1422351 is about 1192.6235785025. The cubic root of 1422351 is about 112.4610828352.

Adding to 1422351 its reverse (1532241), we get a palindrome (2954592).

The spelling of 1422351 in words is "one million, four hundred twenty-two thousand, three hundred fifty-one".