22800609 has 40 divisors (see below), whose sum is σ = 37403520. Its totient is φ = 13755744.

The previous prime is 22800607. The next prime is 22800619. The reversal of 22800609 is 90600822.

It is not a de Polignac number, because 22800609 - 2¹ = 22800607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22800607) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61944 + ... + 62310.

It is an arithmetic number, because the mean of its divisors is an integer number (935088).

Almost surely, 2^22800609 is an apocalyptic number.

It is an amenable number.

22800609 is a deficient number, since it is larger than the sum of its proper divisors (14602911).

22800609 is a wasteful number, since it uses less digits than its factorization.

22800609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 22800609 is about 4774.9983246070. The cubic root of 22800609 is about 283.5625124599.

It can be divided in two parts, 22800 and 609, that added together give a square (23409 = 153²).

The spelling of 22800609 in words is "twenty-two million, eight hundred thousand, six hundred nine".