22254436 has 12 divisors (see below), whose sum is σ = 39194428. Its totient is φ = 11056032.

The previous prime is 22254403. The next prime is 22254443. The reversal of 22254436 is 63445222.

It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 8236900 = 3744^2 + 2870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17091 + ... + 18346.

Almost surely, 2^22254436 is an apocalyptic number.

It is an amenable number.

22254436 is a deficient number, since it is larger than the sum of its proper divisors (16939992).

22254436 is a wasteful number, since it uses less digits than its factorization.

22254436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35598 (or 35596 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 22254436 is about 4717.4607576534. The cubic root of 22254436 is about 281.2800069383.

Adding to 22254436 its reverse (63445222), we get a palindrome (85699658).

The spelling of 22254436 in words is "twenty-two million, two hundred fifty-four thousand, four hundred thirty-six".