7220002525 has 24 divisors (see below), whose sum is σ = 9164770560. Its totient is φ = 5639828160.

The previous prime is 7220002501. The next prime is 7220002547. The reversal of 7220002525 is 5252000227.

It is not a de Polignac number, because 7220002525 - 2⁷ = 7220002397 is a prime.

It is a super-2 number, since 2×7220002525² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 7220002525.

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, 508827 + ... + 522823.

It is an arithmetic number, because the mean of its divisors is an integer number (381865440).

Almost surely, 2^7220002525 is an apocalyptic number.

It is an amenable number.

7220002525 is a deficient number, since it is larger than the sum of its proper divisors (1944768035).

7220002525 is a wasteful number, since it uses less digits than its factorization.

7220002525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14493 (or 14488 counting only the distinct ones).

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

The square root of 7220002525 is about 84970.5980030740. The cubic root of 7220002525 is about 1932.7652848739.

The spelling of 7220002525 in words is "seven billion, two hundred twenty million, two thousand, five hundred twenty-five".