42292288 has 14 divisors (see below), whose sum is σ = 83923886. Its totient is φ = 21146112.

The previous prime is 42292273. The next prime is 42292307. The reversal of 42292288 is 88229224.

It can be written as a sum of positive squares in only one way, i.e., 24920064 + 17372224 = 4992^2 + 4168^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330345 + ... + 330472.

Almost surely, 2^42292288 is an apocalyptic number.

It is an amenable number.

42292288 is a deficient number, since it is larger than the sum of its proper divisors (41631598).

42292288 is an equidigital number, since it uses as much as digits as its factorization.

42292288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660829 (or 660819 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 42292288 is about 6503.2521095218. The cubic root of 42292288 is about 348.4071510618.

The spelling of 42292288 in words is "forty-two million, two hundred ninety-two thousand, two hundred eighty-eight".