522434394 has 16 divisors (see below), whose sum is σ = 1160965440. Its totient is φ = 174144780.

The previous prime is 522434387. The next prime is 522434441. The reversal of 522434394 is 493434225.

522434394 is a `hidden beast` number, since 5 + 224 + 343 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4837302 + ... + 4837409.

It is an arithmetic number, because the mean of its divisors is an integer number (72560340).

Almost surely, 2^522434394 is an apocalyptic number.

522434394 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

522434394 is an abundant number, since it is smaller than the sum of its proper divisors (638531046).

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

522434394 is a wasteful number, since it uses less digits than its factorization.

522434394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674722 (or 9674716 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 522434394 is about 22856.8237950945. The cubic root of 522434394 is about 805.3980742762.

The spelling of 522434394 in words is "five hundred twenty-two million, four hundred thirty-four thousand, three hundred ninety-four".