22251941 has 4 divisors (see below), whose sum is σ = 22769472. Its totient is φ = 21734412.

The previous prime is 22251937. The next prime is 22251947. The reversal of 22251941 is 14915222.

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 22251941 - 2² = 22251937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22251941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22251947) 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, 258701 + ... + 258786.

It is an arithmetic number, because the mean of its divisors is an integer number (5692368).

Almost surely, 2^22251941 is an apocalyptic number.

It is an amenable number.

22251941 is a deficient number, since it is larger than the sum of its proper divisors (517531).

22251941 is an equidigital number, since it uses as much as digits as its factorization.

22251941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517530.

The product of its digits is 1440, while the sum is 26.

The square root of 22251941 is about 4717.1963071299. The cubic root of 22251941 is about 281.2694948791.

The spelling of 22251941 in words is "twenty-two million, two hundred fifty-one thousand, nine hundred forty-one".