22442401 has 8 divisors (see below), whose sum is σ = 23716800. Its totient is φ = 21177360.

The previous prime is 22442393. The next prime is 22442423. The reversal of 22442401 is 10424422.

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 22442401 - 2³ = 22442393 is a prime.

It is a super-2 number, since 2×22442401² = 1007322725289602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22442701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916 + ... + 7306.

It is an arithmetic number, because the mean of its divisors is an integer number (2964600).

Almost surely, 2^22442401 is an apocalyptic number.

It is an amenable number.

22442401 is a deficient number, since it is larger than the sum of its proper divisors (1274399).

22442401 is a wasteful number, since it uses less digits than its factorization.

22442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 22442401 is about 4737.3411319009. The cubic root of 22442401 is about 282.0697017651.

Adding to 22442401 its reverse (10424422), we get a palindrome (32866823).

The spelling of 22442401 in words is "twenty-two million, four hundred forty-two thousand, four hundred one".