22255031 has 2 divisors, whose sum is σ = 22255032. Its totient is φ = 22255030.

The previous prime is 22255027. The next prime is 22255049. The reversal of 22255031 is 13055222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22255031 - 2² = 22255027 is a prime.

It is a super-2 number, since 2×22255031² = 990572809621922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22254994 and 22255012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22245031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127515 + 11127516.

It is an arithmetic number, because the mean of its divisors is an integer number (11127516).

Almost surely, 2^22255031 is an apocalyptic number.

22255031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22255031 is an equidigital number, since it uses as much as digits as its factorization.

22255031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 22255031 is about 4717.5238208196. The cubic root of 22255031 is about 281.2825137062.

The spelling of 22255031 in words is "twenty-two million, two hundred fifty-five thousand, thirty-one".