42212562 has 32 divisors (see below), whose sum is σ = 96940032. Its totient is φ = 12003984.

The previous prime is 42212551. The next prime is 42212587. The reversal of 42212562 is 26521224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7113 + ... + 11619.

It is an arithmetic number, because the mean of its divisors is an integer number (3029376).

Almost surely, 2^42212562 is an apocalyptic number.

42212562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42212562 is an abundant number, since it is smaller than the sum of its proper divisors (54727470).

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

42212562 is a wasteful number, since it uses less digits than its factorization.

42212562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742.

The product of its digits is 1920, while the sum is 24.

The square root of 42212562 is about 6497.1195156007. The cubic root of 42212562 is about 348.1880836894.

Adding to 42212562 its reverse (26521224), we get a palindrome (68733786).

The spelling of 42212562 in words is "forty-two million, two hundred twelve thousand, five hundred sixty-two".