22754421 has 6 divisors (see below), whose sum is σ = 32867510. Its totient is φ = 15169608.

The previous prime is 22754411. The next prime is 22754423. The reversal of 22754421 is 12445722.

It can be written as a sum of positive squares in only one way, i.e., 22752900 + 1521 = 4770^2 + 39^2 .

It is not a de Polignac number, because 22754421 - 2¹⁰ = 22753397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22754423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1264126 + ... + 1264143.

Almost surely, 2^22754421 is an apocalyptic number.

It is an amenable number.

22754421 is a deficient number, since it is larger than the sum of its proper divisors (10113089).

22754421 is a wasteful number, since it uses less digits than its factorization.

22754421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528275 (or 2528272 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 22754421 is about 4770.1594312979. The cubic root of 22754421 is about 283.3709088189.

The spelling of 22754421 in words is "twenty-two million, seven hundred fifty-four thousand, four hundred twenty-one".