42220310 has 16 divisors (see below), whose sum is σ = 82905552. Its totient is φ = 15352800.

The previous prime is 42220309. The next prime is 42220319. The reversal of 42220310 is 1302224.

It is a super-2 number, since 2×42220310² = 3565109152992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191801 + ... + 192020.

It is an arithmetic number, because the mean of its divisors is an integer number (5181597).

Almost surely, 2^42220310 is an apocalyptic number.

42220310 is a deficient number, since it is larger than the sum of its proper divisors (40685242).

42220310 is a wasteful number, since it uses less digits than its factorization.

42220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383839.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42220310 is about 6497.7157524779. The cubic root of 42220310 is about 348.2093853755.

Adding to 42220310 its reverse (1302224), we get a palindrome (43522534).

The spelling of 42220310 in words is "forty-two million, two hundred twenty thousand, three hundred ten".