22002501525 has 24 divisors (see below), whose sum is σ = 36562150944. Its totient is φ = 11675092800.

The previous prime is 22002501491. The next prime is 22002501553. The reversal of 22002501525 is 52510520022.

It is not a de Polignac number, because 22002501525 - 2¹⁹ = 22001977237 is a prime.

It is a super-2 number, since 2×22002501525² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22002501495 and 22002501504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729811 + ... + 759360.

It is an arithmetic number, because the mean of its divisors is an integer number (1523422956).

Almost surely, 2^22002501525 is an apocalyptic number.

22002501525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22002501525 is a deficient number, since it is larger than the sum of its proper divisors (14559649419).

22002501525 is a wasteful number, since it uses less digits than its factorization.

22002501525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489381 (or 1489376 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 22002501525 in words is "twenty-two billion, two million, five hundred one thousand, five hundred twenty-five".