22698031 has 2 divisors, whose sum is σ = 22698032. Its totient is φ = 22698030.

The previous prime is 22698029. The next prime is 22698037. The reversal of 22698031 is 13089622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22698031 - 2¹ = 22698029 is a prime.

It is a super-2 number, since 2×22698031² = 1030401222553922, which contains 22 as substring.

Together with 22698029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22697984 and 22698002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22698037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11349015 + 11349016.

It is an arithmetic number, because the mean of its divisors is an integer number (11349016).

Almost surely, 2^22698031 is an apocalyptic number.

22698031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22698031 is an equidigital number, since it uses as much as digits as its factorization.

22698031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 22698031 is about 4764.2450608675. The cubic root of 22698031 is about 283.1366319473.

The spelling of 22698031 in words is "twenty-two million, six hundred ninety-eight thousand, thirty-one".