22394057 has 8 divisors (see below), whose sum is σ = 25789632. Its totient is φ = 19047600.

The previous prime is 22394041. The next prime is 22394087. The reversal of 22394057 is 75049322.

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 22394057 - 2⁴ = 22394041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22394087) 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, 11294 + ... + 13127.

It is an arithmetic number, because the mean of its divisors is an integer number (3223704).

Almost surely, 2^22394057 is an apocalyptic number.

It is an amenable number.

22394057 is a deficient number, since it is larger than the sum of its proper divisors (3395575).

22394057 is a wasteful number, since it uses less digits than its factorization.

22394057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24559.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 22394057 is about 4732.2359408635. The cubic root of 22394057 is about 281.8670172583.

The spelling of 22394057 in words is "twenty-two million, three hundred ninety-four thousand, fifty-seven".