22799381 has 8 divisors (see below), whose sum is σ = 25341984. Its totient is φ = 20335120.

The previous prime is 22799347. The next prime is 22799393. The reversal of 22799381 is 18399722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22799381 - 2¹⁴ = 22782997 is a prime.

It is a super-2 number, since 2×22799381² = 1039623547966322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22799081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18971 + ... + 20136.

It is an arithmetic number, because the mean of its divisors is an integer number (3167748).

Almost surely, 2^22799381 is an apocalyptic number.

It is an amenable number.

22799381 is a deficient number, since it is larger than the sum of its proper divisors (2542603).

22799381 is a wasteful number, since it uses less digits than its factorization.

22799381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39171.

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

The square root of 22799381 is about 4774.8697364431. The cubic root of 22799381 is about 283.5574216453.

The spelling of 22799381 in words is "twenty-two million, seven hundred ninety-nine thousand, three hundred eighty-one".