3212232157 has 4 divisors (see below), whose sum is σ = 3213786780. Its totient is φ = 3210677536.

The previous prime is 3212232151. The next prime is 3212232181. The reversal of 3212232157 is 7512322123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 217297081 + 2994935076 = 14741^2 + 54726^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212232157 - 2⁷ = 3212232029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212232151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774208 + ... + 778345.

It is an arithmetic number, because the mean of its divisors is an integer number (803446695).

Almost surely, 2^3212232157 is an apocalyptic number.

It is an amenable number.

3212232157 is a deficient number, since it is larger than the sum of its proper divisors (1554623).

3212232157 is a wasteful number, since it uses less digits than its factorization.

3212232157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554622.

The product of its digits is 5040, while the sum is 28.

The square root of 3212232157 is about 56676.5573848659. The cubic root of 3212232157 is about 1475.4878642050.

The spelling of 3212232157 in words is "three billion, two hundred twelve million, two hundred thirty-two thousand, one hundred fifty-seven".