42292226 has 8 divisors (see below), whose sum is σ = 67170060. Its totient is φ = 19902208.

The previous prime is 42292219. The next prime is 42292273. The reversal of 42292226 is 62229224.

It can be written as a sum of positive squares in 2 ways, for example, as 42237001 + 55225 = 6499^2 + 235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621911 + ... + 621978.

Almost surely, 2^42292226 is an apocalyptic number.

42292226 is a deficient number, since it is larger than the sum of its proper divisors (24877834).

42292226 is a wasteful number, since it uses less digits than its factorization.

42292226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243908.

The product of its digits is 6912, while the sum is 29.

The square root of 42292226 is about 6503.2473426743. The cubic root of 42292226 is about 348.4069808081.

The spelling of 42292226 in words is "forty-two million, two hundred ninety-two thousand, two hundred twenty-six".