310042222 has 32 divisors (see below), whose sum is σ = 550840320. Its totient is φ = 128075040.

The previous prime is 310042211. The next prime is 310042223. The reversal of 310042222 is 222240013.

It is a super-2 number, since 2×310042222² = 192252358845394568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310042196 and 310042205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310042223) 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, 118929 + ... + 121507.

It is an arithmetic number, because the mean of its divisors is an integer number (17213760).

Almost surely, 2^310042222 is an apocalyptic number.

310042222 is a deficient number, since it is larger than the sum of its proper divisors (240798098).

310042222 is a wasteful number, since it uses less digits than its factorization.

310042222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896.

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

The square root of 310042222 is about 17608.0158450633. The cubic root of 310042222 is about 676.8206700793.

Adding to 310042222 its reverse (222240013), we get a palindrome (532282235).

The spelling of 310042222 in words is "three hundred ten million, forty-two thousand, two hundred twenty-two".