22348919 has 2 divisors, whose sum is σ = 22348920. Its totient is φ = 22348918.

The previous prime is 22348901. The next prime is 22348927. The reversal of 22348919 is 91984322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22348919 - 2²⁰ = 21300343 is a prime.

It is a super-2 number, since 2×22348919² = 998948360937122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22348969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11174459 + 11174460.

It is an arithmetic number, because the mean of its divisors is an integer number (11174460).

Almost surely, 2^22348919 is an apocalyptic number.

22348919 is a deficient number, since it is larger than the sum of its proper divisors (1).

22348919 is an equidigital number, since it uses as much as digits as its factorization.

22348919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 22348919 is about 4727.4643309072. The cubic root of 22348919 is about 281.6775105629.

The spelling of 22348919 in words is "twenty-two million, three hundred forty-eight thousand, nine hundred nineteen".