22072000525 has 6 divisors (see below), whose sum is σ = 27369280682. Its totient is φ = 17657600400.

The previous prime is 22072000493. The next prime is 22072000567. The reversal of 22072000525 is 52500027022.

It can be written as a sum of positive squares in 3 ways, for example, as 78517321 + 21993483204 = 8861^2 + 148302^2 .

It is not a de Polignac number, because 22072000525 - 2⁵ = 22072000493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 882880021 = 22072000525 / (2 + 2 + 0 + 7 + 2 + 0 + 0 + 0 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22072000525.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 441439986 + ... + 441440035.

Almost surely, 2^22072000525 is an apocalyptic number.

22072000525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22072000525 is a deficient number, since it is larger than the sum of its proper divisors (5297280157).

22072000525 is an equidigital number, since it uses as much as digits as its factorization.

22072000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882880031 (or 882880026 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

Adding to 22072000525 its reverse (52500027022), we get a palindrome (74572027547).

The spelling of 22072000525 in words is "twenty-two billion, seventy-two million, five hundred twenty-five", and thus it is an aban number.