22425042402 has 64 divisors (see below), whose sum is σ = 58277007360. Its totient is φ = 6258146832.

The previous prime is 22425042377. The next prime is 22425042407. The reversal of 22425042402 is 20424052422.

22425042402 is a `hidden beast` number, since 2 + 2 + 4 + 250 + 4 + 2 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22425042407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673578 + ... + 706085.

It is an arithmetic number, because the mean of its divisors is an integer number (910578240).

Almost surely, 2^22425042402 is an apocalyptic number.

22425042402 is an abundant number, since it is smaller than the sum of its proper divisors (35851964958).

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

22425042402 is a wasteful number, since it uses less digits than its factorization.

22425042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379724 (or 1379718 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 22425042402 its reverse (20424052422), we get a palindrome (42849094824).

The spelling of 22425042402 in words is "twenty-two billion, four hundred twenty-five million, forty-two thousand, four hundred two".