22793819 has 2 divisors, whose sum is σ = 22793820. Its totient is φ = 22793818.

The previous prime is 22793807. The next prime is 22793839. The reversal of 22793819 is 91839722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22793819 - 2¹⁶ = 22728283 is a prime.

It is a super-2 number, since 2×22793819² = 1039116369209522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22793839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11396909 + 11396910.

It is an arithmetic number, because the mean of its divisors is an integer number (11396910).

Almost surely, 2^22793819 is an apocalyptic number.

22793819 is a deficient number, since it is larger than the sum of its proper divisors (1).

22793819 is an equidigital number, since it uses as much as digits as its factorization.

22793819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 22793819 is about 4774.2872766519. The cubic root of 22793819 is about 283.5343614484.

The spelling of 22793819 in words is "twenty-two million, seven hundred ninety-three thousand, eight hundred nineteen".