522770148 has 18 divisors (see below), whose sum is σ = 1321446854. Its totient is φ = 174256704.

The previous prime is 522770147. The next prime is 522770167. The reversal of 522770148 is 841077225.

It can be written as a sum of positive squares in only one way, i.e., 517653504 + 5116644 = 22752^2 + 2262^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14521393 = 522770148 / (5 + 2 + 2 + 7 + 7 + 0 + 1 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (522770141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7260661 + ... + 7260732.

Almost surely, 2^522770148 is an apocalyptic number.

It is an amenable number.

522770148 is an abundant number, since it is smaller than the sum of its proper divisors (798676706).

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

522770148 is a wasteful number, since it uses less digits than its factorization.

522770148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14521403 (or 14521398 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 522770148 is about 22864.1673366865. The cubic root of 522770148 is about 805.5705729473.

The spelling of 522770148 in words is "five hundred twenty-two million, seven hundred seventy thousand, one hundred forty-eight".