227390131 has 8 divisors (see below), whose sum is σ = 236088720. Its totient is φ = 218748768.

The previous prime is 227390117. The next prime is 227390171. The reversal of 227390131 is 131093722.

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

It is a cyclic number.

It is not a de Polignac number, because 227390131 - 2⁷ = 227390003 is a prime.

It is a super-2 number, since 2×227390131² = 103412543352394322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227390131.

It is not an unprimeable number, because it can be changed into a prime (227390101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6121 + ... + 22186.

It is an arithmetic number, because the mean of its divisors is an integer number (29511090).

Almost surely, 2^227390131 is an apocalyptic number.

227390131 is a deficient number, since it is larger than the sum of its proper divisors (8698589).

227390131 is a wasteful number, since it uses less digits than its factorization.

227390131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28613.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 227390131 is about 15079.4605672749. The cubic root of 227390131 is about 610.3662863278.

The spelling of 227390131 in words is "two hundred twenty-seven million, three hundred ninety thousand, one hundred thirty-one".