42231651 has 16 divisors (see below), whose sum is σ = 70203648. Its totient is φ = 21938400.

The previous prime is 42231647. The next prime is 42231653. The reversal of 42231651 is 15613224.

It is not a de Polignac number, because 42231651 - 2² = 42231647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42231653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91180 + ... + 91641.

It is an arithmetic number, because the mean of its divisors is an integer number (4387728).

Almost surely, 2^42231651 is an apocalyptic number.

42231651 is a deficient number, since it is larger than the sum of its proper divisors (27971997).

42231651 is a wasteful number, since it uses less digits than its factorization.

42231651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182842.

The product of its digits is 1440, while the sum is 24.

The square root of 42231651 is about 6498.5883851803. The cubic root of 42231651 is about 348.2405606487.

Adding to 42231651 its reverse (15613224), we get a palindrome (57844875).

The spelling of 42231651 in words is "forty-two million, two hundred thirty-one thousand, six hundred fifty-one".