226638057 has 16 divisors (see below), whose sum is σ = 311028480. Its totient is φ = 146732112.

The previous prime is 226638053. The next prime is 226638073. The reversal of 226638057 is 750836622.

It is not a de Polignac number, because 226638057 - 2² = 226638053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226638053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6978 + ... + 22404.

It is an arithmetic number, because the mean of its divisors is an integer number (19439280).

Almost surely, 2^226638057 is an apocalyptic number.

It is an amenable number.

226638057 is a deficient number, since it is larger than the sum of its proper divisors (84390423).

226638057 is a wasteful number, since it uses less digits than its factorization.

226638057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15572.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 226638057 is about 15054.5028811980. The cubic root of 226638057 is about 609.6926311374.

The spelling of 226638057 in words is "two hundred twenty-six million, six hundred thirty-eight thousand, fifty-seven".