42311022 has 32 divisors (see below), whose sum is σ = 91445760. Its totient is φ = 12973920.

The previous prime is 42310999. The next prime is 42311033. The reversal of 42311022 is 22011324.

It is a junction number, because it is equal to n+sod(n) for n = 42310992 and 42311010.

It is a congruent 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, 27247 + ... + 28757.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^42311022 is an apocalyptic number.

42311022 is an abundant number, since it is smaller than the sum of its proper divisors (49134738).

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

42311022 is a wasteful number, since it uses less digits than its factorization.

42311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42311022 is about 6504.6923063278. The cubic root of 42311022 is about 348.4585875163.

Adding to 42311022 its reverse (22011324), we get a palindrome (64322346).

It can be divided in two parts, 4231 and 1022, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 42311022 in words is "forty-two million, three hundred eleven thousand, twenty-two".