227142090 has 64 divisors (see below), whose sum is σ = 692248320. Its totient is φ = 51917760.

The previous prime is 227142067. The next prime is 227142103. The reversal of 227142090 is 90241722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58201 + ... + 61980.

It is an arithmetic number, because the mean of its divisors is an integer number (10816380).

Almost surely, 2^227142090 is an apocalyptic number.

227142090 is an abundant number, since it is smaller than the sum of its proper divisors (465106230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227142090 is a wasteful number, since it uses less digits than its factorization.

227142090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120204 (or 120198 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 227142090 is about 15071.2338579162. The cubic root of 227142090 is about 610.1442729608.

The spelling of 227142090 in words is "two hundred twenty-seven million, one hundred forty-two thousand, ninety".