242231972 has 12 divisors (see below), whose sum is σ = 424082736. Its totient is φ = 121065480.

The previous prime is 242231971. The next prime is 242231981. The reversal of 242231972 is 279132242.

It is a super-5 number, since 5×242231972⁵ (a number of 43 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (242231971) 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, 554 + ... + 22017.

It is an arithmetic number, because the mean of its divisors is an integer number (35340228).

Almost surely, 2^242231972 is an apocalyptic number.

It is an amenable number.

242231972 is a deficient number, since it is larger than the sum of its proper divisors (181850764).

242231972 is a wasteful number, since it uses less digits than its factorization.

242231972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25258 (or 25256 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 242231972 is about 15563.8032626990. The cubic root of 242231972 is about 623.3670198908.

The spelling of 242231972 in words is "two hundred forty-two million, two hundred thirty-one thousand, nine hundred seventy-two".