226223636 has 6 divisors (see below), whose sum is σ = 395891370. Its totient is φ = 113111816.

The previous prime is 226223617. The next prime is 226223659. The reversal of 226223636 is 636322622.

It can be written as a sum of positive squares in only one way, i.e., 132250000 + 93973636 = 11500^2 + 9694^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277951 + ... + 28277958.

It is an arithmetic number, because the mean of its divisors is an integer number (65981895).

Almost surely, 2^226223636 is an apocalyptic number.

It is an amenable number.

226223636 is a deficient number, since it is larger than the sum of its proper divisors (169667734).

226223636 is a wasteful number, since it uses less digits than its factorization.

226223636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56555913 (or 56555911 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 226223636 is about 15040.7325619466. The cubic root of 226223636 is about 609.3207848011.

The spelling of 226223636 in words is "two hundred twenty-six million, two hundred twenty-three thousand, six hundred thirty-six".