22980449 has 4 divisors (see below), whose sum is σ = 23061936. Its totient is φ = 22898964.

The previous prime is 22980431. The next prime is 22980457. The reversal of 22980449 is 94408922.

22980449 = 132² + 133² + ... + 414².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22980449 - 2⁸ = 22980193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22980409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40319 + ... + 40884.

It is an arithmetic number, because the mean of its divisors is an integer number (5765484).

Almost surely, 2^22980449 is an apocalyptic number.

It is an amenable number.

22980449 is a deficient number, since it is larger than the sum of its proper divisors (81487).

22980449 is an equidigital number, since it uses as much as digits as its factorization.

22980449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81486.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 22980449 is about 4793.7927573061. The cubic root of 22980449 is about 284.3060947895.

The spelling of 22980449 in words is "twenty-two million, nine hundred eighty thousand, four hundred forty-nine".