22254811 has 2 divisors, whose sum is σ = 22254812. Its totient is φ = 22254810.

The previous prime is 22254773. The next prime is 22254851. The reversal of 22254811 is 11845222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22254811 - 2²¹ = 20157659 is a prime.

It is a super-2 number, since 2×22254811² = 990553225291442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22254851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127405 + 11127406.

It is an arithmetic number, because the mean of its divisors is an integer number (11127406).

Almost surely, 2^22254811 is an apocalyptic number.

22254811 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254811 is an equidigital number, since it uses as much as digits as its factorization.

22254811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 25.

The square root of 22254811 is about 4717.5005034446. The cubic root of 22254811 is about 281.2815868392.

The spelling of 22254811 in words is "twenty-two million, two hundred fifty-four thousand, eight hundred eleven".