22553545 has 16 divisors (see below), whose sum is σ = 31097088. Its totient is φ = 15382080.

The previous prime is 22553539. The next prime is 22553563. The reversal of 22553545 is 54535522.

It is a happy number.

It is not a de Polignac number, because 22553545 - 2³ = 22553537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5260 + ... + 8530.

It is an arithmetic number, because the mean of its divisors is an integer number (1943568).

Almost surely, 2^22553545 is an apocalyptic number.

It is an amenable number.

22553545 is a deficient number, since it is larger than the sum of its proper divisors (8543543).

22553545 is a wasteful number, since it uses less digits than its factorization.

22553545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480.

The product of its digits is 30000, while the sum is 31.

The square root of 22553545 is about 4749.0572748705. The cubic root of 22553545 is about 282.5345769148.

The spelling of 22553545 in words is "twenty-two million, five hundred fifty-three thousand, five hundred forty-five".