226177972 has 6 divisors (see below), whose sum is σ = 395811458. Its totient is φ = 113088984.

The previous prime is 226177967. The next prime is 226177981. The reversal of 226177972 is 279771622.

It can be written as a sum of positive squares in only one way, i.e., 226021156 + 156816 = 15034^2 + 396^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28272243 + ... + 28272250.

Almost surely, 2^226177972 is an apocalyptic number.

It is an amenable number.

226177972 is a deficient number, since it is larger than the sum of its proper divisors (169633486).

226177972 is a wasteful number, since it uses less digits than its factorization.

226177972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56544497 (or 56544495 counting only the distinct ones).

The product of its digits is 148176, while the sum is 43.

The square root of 226177972 is about 15039.2144741672. The cubic root of 226177972 is about 609.2797842273.

The spelling of 226177972 in words is "two hundred twenty-six million, one hundred seventy-seven thousand, nine hundred seventy-two".