25022322402 has 32 divisors (see below), whose sum is σ = 62393324544. Its totient is φ = 6499304400.

The previous prime is 25022322401. The next prime is 25022322431. The reversal of 25022322402 is 20422322052.

It is a super-2 number, since 2×25022322402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25022322401) 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 15 ways as a sum of consecutive naturals, for example, 27079974 + ... + 27080897.

It is an arithmetic number, because the mean of its divisors is an integer number (1949791392).

Almost surely, 2^25022322402 is an apocalyptic number.

25022322402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25022322402 is an abundant number, since it is smaller than the sum of its proper divisors (37371002142).

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

25022322402 is a wasteful number, since it uses less digits than its factorization.

25022322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54160894.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 25022322402 its reverse (20422322052), we get a palindrome (45444644454).

The spelling of 25022322402 in words is "twenty-five billion, twenty-two million, three hundred twenty-two thousand, four hundred two".