22719113 has 2 divisors, whose sum is σ = 22719114. Its totient is φ = 22719112.

The previous prime is 22719091. The next prime is 22719143. The reversal of 22719113 is 31191722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18088009 + 4631104 = 4253^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 22719113 - 2¹⁸ = 22456969 is a prime.

It is a Chen prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (22719143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11359556 + 11359557.

It is an arithmetic number, because the mean of its divisors is an integer number (11359557).

Almost surely, 2^22719113 is an apocalyptic number.

It is an amenable number.

22719113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22719113 is an equidigital number, since it uses as much as digits as its factorization.

22719113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 22719113 is about 4766.4570699840. The cubic root of 22719113 is about 283.2242642092.

The spelling of 22719113 in words is "twenty-two million, seven hundred nineteen thousand, one hundred thirteen".