37221651912025 has 81 divisors (see below), whose sum is σ = 55488017350143. Its totient is φ = 24695689687200.

The previous prime is 37221651911999. The next prime is 37221651912047. The reversal of 37221651912025 is 52021915612273.

The square root of 37221651912025 is 6100955.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13399794688329 + 23821857223696 = 3660573^2 + 4880764^2 .

It is not a de Polignac number, because 37221651912025 - 2⁷ = 37221651911897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 6619533364 + ... + 6619538986.

Almost surely, 2^{37221651912025} is an apocalyptic number.

37221651912025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

37221651912025 is the 6100955-th square number.

37221651912025 is the 3050478-th centered octagonal number.

It is an amenable number.

37221651912025 is a deficient number, since it is larger than the sum of its proper divisors (18266365438118).

37221651912025 is an frugal number, since it uses more digits than its factorization.

37221651912025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11332 (or 5666 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 37221651912025 in words is "thirty-seven trillion, two hundred twenty-one billion, six hundred fifty-one million, nine hundred twelve thousand, twenty-five".