226779090 has 32 divisors (see below), whose sum is σ = 553196736. Its totient is φ = 59482560.

The previous prime is 226779073. The next prime is 226779097. The reversal of 226779090 is 90977622.

226779090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×226779090² = 102857511322456200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226779097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60132 + ... + 63791.

It is an arithmetic number, because the mean of its divisors is an integer number (17287398).

Almost surely, 2^226779090 is an apocalyptic number.

226779090 is an abundant number, since it is smaller than the sum of its proper divisors (326417646).

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

226779090 is a wasteful number, since it uses less digits than its factorization.

226779090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123994.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 226779090 is about 15059.1862329941. The cubic root of 226779090 is about 609.8190720245.

The spelling of 226779090 in words is "two hundred twenty-six million, seven hundred seventy-nine thousand, ninety".