22424402 has 64 divisors (see below), whose sum is σ = 47222784. Its totient is φ = 7698240.

The previous prime is 22424383. The next prime is 22424429. The reversal of 22424402 is 20442422.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45803 + ... + 46289.

It is an arithmetic number, because the mean of its divisors is an integer number (737856).

Almost surely, 2^22424402 is an apocalyptic number.

22424402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22424402 is an abundant number, since it is smaller than the sum of its proper divisors (24798382).

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

22424402 is a wasteful number, since it uses less digits than its factorization.

22424402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 22424402 is about 4735.4410565437. The cubic root of 22424402 is about 281.9942741490.

Adding to 22424402 its reverse (20442422), we get a palindrome (42866824).

It can be divided in two parts, 22 and 424402, that added together give a palindrome (424424).

The spelling of 22424402 in words is "twenty-two million, four hundred twenty-four thousand, four hundred two".