522142254 has 32 divisors (see below), whose sum is σ = 1164084480. Its totient is φ = 173482200.

The previous prime is 522142253. The next prime is 522142333. The reversal of 522142254 is 452241225.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522142253) 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, 1249 + ... + 32339.

It is an arithmetic number, because the mean of its divisors is an integer number (36377640).

Almost surely, 2^522142254 is an apocalyptic number.

522142254 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

522142254 is an abundant number, since it is smaller than the sum of its proper divisors (641942226).

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

522142254 is a wasteful number, since it uses less digits than its factorization.

522142254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31413 (or 31407 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 522142254 is about 22850.4322497409. The cubic root of 522142254 is about 805.2479228142.

Adding to 522142254 its reverse (452241225), we get a palindrome (974383479).

The spelling of 522142254 in words is "five hundred twenty-two million, one hundred forty-two thousand, two hundred fifty-four".