1338225564 has 48 divisors (see below), whose sum is σ = 3417871520. Its totient is φ = 405008640.

The previous prime is 1338225547. The next prime is 1338225569. The reversal of 1338225564 is 4655228331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338225569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60799 + ... + 79830.

Almost surely, 2^1338225564 is an apocalyptic number.

It is an amenable number.

1338225564 is an abundant number, since it is smaller than the sum of its proper divisors (2079645956).

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

1338225564 is a wasteful number, since it uses less digits than its factorization.

1338225564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140710 (or 140708 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 1338225564 is about 36581.7654576703. The cubic root of 1338225564 is about 1101.9869223736.

The spelling of 1338225564 in words is "one billion, three hundred thirty-eight million, two hundred twenty-five thousand, five hundred sixty-four".