662226444 has 72 divisors (see below), whose sum is σ = 1875536208. Its totient is φ = 195246720.

The previous prime is 662226413. The next prime is 662226451. The reversal of 662226444 is 444622266.

662226444 is a `hidden beast` number, since 6 + 6 + 2 + 2 + 2 + 644 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 662226399 and 662226408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7947 + ... + 37250.

It is an arithmetic number, because the mean of its divisors is an integer number (26049114).

Almost surely, 2^662226444 is an apocalyptic number.

It is an amenable number.

662226444 is an abundant number, since it is smaller than the sum of its proper divisors (1213309764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662226444 is a wasteful number, since it uses less digits than its factorization.

662226444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45255 (or 45250 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 662226444 is about 25733.7607822875. The cubic root of 662226444 is about 871.6366970569.

The spelling of 662226444 in words is "six hundred sixty-two million, two hundred twenty-six thousand, four hundred forty-four".