226377990 has 40 divisors (see below), whose sum is σ = 608707440. Its totient is φ = 60367248.

The previous prime is 226377961. The next prime is 226378003. The reversal of 226377990 is 99773622.

It is a happy number.

226377990 is a `hidden beast` number, since 2 + 2 + 637 + 7 + 9 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 138930 + ... + 140549.

It is an arithmetic number, because the mean of its divisors is an integer number (15217686).

Almost surely, 2^226377990 is an apocalyptic number.

226377990 is an abundant number, since it is smaller than the sum of its proper divisors (382329450).

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

226377990 is a wasteful number, since it uses less digits than its factorization.

226377990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279498 (or 279489 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 226377990 is about 15045.8628865213. The cubic root of 226377990 is about 609.4593346001.

The spelling of 226377990 in words is "two hundred twenty-six million, three hundred seventy-seven thousand, nine hundred ninety".