2227639690 has 32 divisors (see below), whose sum is σ = 4065085440. Its totient is φ = 878842944.

The previous prime is 2227639681. The next prime is 2227639691. The reversal of 2227639690 is 969367222.

It is a super-2 number, since 2×2227639690² = 9924757176926592200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2227639690.

It is not an unprimeable number, because it can be changed into a prime (2227639691) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 214641 + ... + 224779.

It is an arithmetic number, because the mean of its divisors is an integer number (127033920).

Almost surely, 2^2227639690 is an apocalyptic number.

2227639690 is a deficient number, since it is larger than the sum of its proper divisors (1837445750).

2227639690 is a wasteful number, since it uses less digits than its factorization.

2227639690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10446.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 2227639690 is about 47197.8780243349. The cubic root of 2227639690 is about 1306.0154532902.

The spelling of 2227639690 in words is "two billion, two hundred twenty-seven million, six hundred thirty-nine thousand, six hundred ninety".