22530554 has 4 divisors (see below), whose sum is σ = 33795834. Its totient is φ = 11265276.

The previous prime is 22530539. The next prime is 22530569. The reversal of 22530554 is 45503522.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22530539) and next prime (22530569).

It can be written as a sum of positive squares in only one way, i.e., 21576025 + 954529 = 4645^2 + 977^2 .

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5632637 + ... + 5632640.

Almost surely, 2^22530554 is an apocalyptic number.

22530554 is a deficient number, since it is larger than the sum of its proper divisors (11265280).

22530554 is a wasteful number, since it uses less digits than its factorization.

22530554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11265279.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 22530554 is about 4746.6360719988. The cubic root of 22530554 is about 282.4385393745.

The spelling of 22530554 in words is "twenty-two million, five hundred thirty thousand, five hundred fifty-four".