233422137 has 12 divisors (see below), whose sum is σ = 363101284. Its totient is φ = 143644320.

The previous prime is 233422129. The next prime is 233422141. The reversal of 233422137 is 731224332.

233422137 is a `hidden beast` number, since 233 + 422 + 1 + 3 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 140280336 + 93141801 = 11844^2 + 9651^2 .

It is not a de Polignac number, because 233422137 - 2³ = 233422129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233422137.

It is not an unprimeable number, because it can be changed into a prime (233422117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997414 + ... + 997647.

Almost surely, 2^233422137 is an apocalyptic number.

It is an amenable number.

233422137 is a deficient number, since it is larger than the sum of its proper divisors (129679147).

233422137 is a wasteful number, since it uses less digits than its factorization.

233422137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995080 (or 1995077 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 233422137 is about 15278.1588223189. The cubic root of 233422137 is about 615.7163415775.

Adding to 233422137 its reverse (731224332), we get a palindrome (964646469).

The spelling of 233422137 in words is "two hundred thirty-three million, four hundred twenty-two thousand, one hundred thirty-seven".