2157022325 has 12 divisors (see below), whose sum is σ = 2678786880. Its totient is φ = 1722986160.

The previous prime is 2157022303. The next prime is 2157022333. The reversal of 2157022325 is 5232207512.

2157022325 = T₃₇₄ + T₃₇₅ + ... + T₂₃₅₀.

It is not a de Polignac number, because 2157022325 - 2⁶ = 2157022261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48989 + ... + 81938.

It is an arithmetic number, because the mean of its divisors is an integer number (223232240).

Almost surely, 2^2157022325 is an apocalyptic number.

2157022325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2157022325 is a deficient number, since it is larger than the sum of its proper divisors (521764555).

2157022325 is a wasteful number, since it uses less digits than its factorization.

2157022325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131596 (or 131591 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2157022325 is about 46443.7544240342. The cubic root of 2157022325 is about 1292.0665402713.

Adding to 2157022325 its reverse (5232207512), we get a palindrome (7389229837).

The spelling of 2157022325 in words is "two billion, one hundred fifty-seven million, twenty-two thousand, three hundred twenty-five".