22057401 has 8 divisors (see below), whose sum is σ = 29597824. Its totient is φ = 14610960.

The previous prime is 22057397. The next prime is 22057403. The reversal of 22057401 is 10475022.

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

It is not a de Polignac number, because 22057401 - 2² = 22057397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22057403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22945 + ... + 23886.

It is an arithmetic number, because the mean of its divisors is an integer number (3699728).

Almost surely, 2^22057401 is an apocalyptic number.

It is an amenable number.

22057401 is a deficient number, since it is larger than the sum of its proper divisors (7540423).

22057401 is a wasteful number, since it uses less digits than its factorization.

22057401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46991.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22057401 is about 4696.5307408767. The cubic root of 22057401 is about 280.4474181832.

The spelling of 22057401 in words is "twenty-two million, fifty-seven thousand, four hundred one".