42222310 has 32 divisors (see below), whose sum is σ = 84494592. Its totient is φ = 15085440.

The previous prime is 42222287. The next prime is 42222311. The reversal of 42222310 is 1322224.

42222310 = 443² + 444² + ... + 597².

It is a super-2 number, since 2×42222310² = 3565446923472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42222311) 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, 1209 + ... + 9268.

It is an arithmetic number, because the mean of its divisors is an integer number (2640456).

Almost surely, 2^42222310 is an apocalyptic number.

42222310 is an abundant number, since it is smaller than the sum of its proper divisors (42272282).

42222310 is a wasteful number, since it uses less digits than its factorization.

42222310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42222310 is about 6497.8696508933. The cubic root of 42222310 is about 348.2148835806.

Adding to 42222310 its reverse (1322224), we get a palindrome (43544534).

The spelling of 42222310 in words is "forty-two million, two hundred twenty-two thousand, three hundred ten".