226081091690 has 16 divisors (see below), whose sum is σ = 413843355360. Its totient is φ = 88899683280.

The previous prime is 226081091689. The next prime is 226081091771. The reversal of 226081091690 is 96190180622.

It is a super-2 number, since 2×226081091690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191593556 + ... + 191594735.

It is an arithmetic number, because the mean of its divisors is an integer number (25865209710).

Almost surely, 2^226081091690 is an apocalyptic number.

226081091690 is a deficient number, since it is larger than the sum of its proper divisors (187762263670).

226081091690 is a wasteful number, since it uses less digits than its factorization.

226081091690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383188357.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 226081091690 in words is "two hundred twenty-six billion, eighty-one million, ninety-one thousand, six hundred ninety".