662226472 has 8 divisors (see below), whose sum is σ = 1241674650. Its totient is φ = 331113232.

The previous prime is 662226451. The next prime is 662226473. The reversal of 662226472 is 274622266.

It can be written as a sum of positive squares in only one way, i.e., 488144836 + 174081636 = 22094^2 + 13194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (662226473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41389147 + ... + 41389162.

Almost surely, 2^662226472 is an apocalyptic number.

It is an amenable number.

662226472 is a deficient number, since it is larger than the sum of its proper divisors (579448178).

662226472 is a wasteful number, since it uses less digits than its factorization.

662226472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82778315 (or 82778311 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 662226472 is about 25733.7613263199. The cubic root of 662226472 is about 871.6367093416.

The spelling of 662226472 in words is "six hundred sixty-two million, two hundred twenty-six thousand, four hundred seventy-two".