22420050 has 48 divisors (see below), whose sum is σ = 56058912. Its totient is φ = 5929600.

The previous prime is 22420033. The next prime is 22420063. The reversal of 22420050 is 5002422.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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, 20005 + ... + 21095.

It is an arithmetic number, because the mean of its divisors is an integer number (1167894).

Almost surely, 2^22420050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22420050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28029456).

22420050 is an abundant number, since it is smaller than the sum of its proper divisors (33638862).

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

22420050 is a wasteful number, since it uses less digits than its factorization.

22420050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 22420050 is about 4734.9815205553. The cubic root of 22420050 is about 281.9760303554.

Adding to 22420050 its reverse (5002422), we get a palindrome (27422472).

The spelling of 22420050 in words is "twenty-two million, four hundred twenty thousand, fifty".