226722190 has 16 divisors (see below), whose sum is σ = 408414960. Its totient is φ = 90618880.

The previous prime is 226722173. The next prime is 226722211. The reversal of 226722190 is 91227622.

It is a super-2 number, since 2×226722190² = 102805902876792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6045 + ... + 22135.

It is an arithmetic number, because the mean of its divisors is an integer number (25525935).

Almost surely, 2^226722190 is an apocalyptic number.

226722190 is a deficient number, since it is larger than the sum of its proper divisors (181692770).

226722190 is a wasteful number, since it uses less digits than its factorization.

226722190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17507.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 226722190 is about 15057.2969021667. The cubic root of 226722190 is about 609.7680655471.

The spelling of 226722190 in words is "two hundred twenty-six million, seven hundred twenty-two thousand, one hundred ninety".