22046031 has 18 divisors (see below), whose sum is σ = 37044072. Its totient is φ = 12597480.

The previous prime is 22046021. The next prime is 22046033. The reversal of 22046031 is 13064022.

It is a happy number.

It is not a de Polignac number, because 22046031 - 2⁶ = 22045967 is a prime.

It is a super-2 number, since 2×22046031² = 972054965705922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22045995 and 22046013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22046033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24555 + ... + 25436.

It is an arithmetic number, because the mean of its divisors is an integer number (2058004).

Almost surely, 2^22046031 is an apocalyptic number.

22046031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22046031 is a deficient number, since it is larger than the sum of its proper divisors (14998041).

22046031 is a wasteful number, since it uses less digits than its factorization.

22046031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50011 (or 50001 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22046031 is about 4695.3201168823. The cubic root of 22046031 is about 280.3992221877.

Subtracting from 22046031 its reverse (13064022), we obtain a square (8982009 = 2997²).

The spelling of 22046031 in words is "twenty-two million, forty-six thousand, thirty-one".