42655226 has 32 divisors (see below), whose sum is σ = 68352768. Its totient is φ = 19938240.

The previous prime is 42655219. The next prime is 42655231. The reversal of 42655226 is 62255624.

It is a super-2 number, since 2×42655226² = 3638936610222152, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42655192 and 42655201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246476 + ... + 246648.

It is an arithmetic number, because the mean of its divisors is an integer number (2136024).

Almost surely, 2^42655226 is an apocalyptic number.

42655226 is a deficient number, since it is larger than the sum of its proper divisors (25697542).

42655226 is a wasteful number, since it uses less digits than its factorization.

42655226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 28800, while the sum is 32.

The square root of 42655226 is about 6531.0968450942. The cubic root of 42655226 is about 349.4009507810.

The spelling of 42655226 in words is "forty-two million, six hundred fifty-five thousand, two hundred twenty-six".