22981069 has 2 divisors, whose sum is σ = 22981070. Its totient is φ = 22981068.

The previous prime is 22981061. The next prime is 22981081. The reversal of 22981069 is 96018922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14160169 + 8820900 = 3763^2 + 2970^2 .

It is a cyclic number.

It is not a de Polignac number, because 22981069 - 2³ = 22981061 is a prime.

It is a super-2 number, since 2×22981069² = 1056259064765522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22981061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11490534 + 11490535.

It is an arithmetic number, because the mean of its divisors is an integer number (11490535).

Almost surely, 2^22981069 is an apocalyptic number.

It is an amenable number.

22981069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22981069 is an equidigital number, since it uses as much as digits as its factorization.

22981069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 22981069 is about 4793.8574238290. The cubic root of 22981069 is about 284.3086515743.

The spelling of 22981069 in words is "twenty-two million, nine hundred eighty-one thousand, sixty-nine".