22406870531 has 2 divisors, whose sum is σ = 22406870532. Its totient is φ = 22406870530.

The previous prime is 22406870443. The next prime is 22406870533. The reversal of 22406870531 is 13507860422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22406870531 - 2²² = 22402676227 is a prime.

It is a super-2 number, since 2×22406870531² (a number of 22 digits) contains 22 as substring.

Together with 22406870533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22406870533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11203435265 + 11203435266.

It is an arithmetic number, because the mean of its divisors is an integer number (11203435266).

Almost surely, 2^22406870531 is an apocalyptic number.

22406870531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22406870531 is an equidigital number, since it uses as much as digits as its factorization.

22406870531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 22406870531 in words is "twenty-two billion, four hundred six million, eight hundred seventy thousand, five hundred thirty-one".