22751201 has 4 divisors (see below), whose sum is σ = 24819504. Its totient is φ = 20682900.

The previous prime is 22751191. The next prime is 22751233. The reversal of 22751201 is 10215722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22751201 - 2⁶ = 22751137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22751251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034135 + ... + 1034156.

It is an arithmetic number, because the mean of its divisors is an integer number (6204876).

Almost surely, 2^22751201 is an apocalyptic number.

It is an amenable number.

22751201 is a deficient number, since it is larger than the sum of its proper divisors (2068303).

22751201 is a wasteful number, since it uses less digits than its factorization.

22751201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068302.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 22751201 is about 4769.8219044321. The cubic root of 22751201 is about 283.3575414918.

Adding to 22751201 its reverse (10215722), we get a palindrome (32966923).

The spelling of 22751201 in words is "twenty-two million, seven hundred fifty-one thousand, two hundred one".