22419899 has 4 divisors (see below), whose sum is σ = 22941336. Its totient is φ = 21898464.

The previous prime is 22419863. The next prime is 22419919. The reversal of 22419899 is 99891422.

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

It is a cyclic number.

It is not a de Polignac number, because 22419899 - 2⁸ = 22419643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22419809) 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, 260654 + ... + 260739.

It is an arithmetic number, because the mean of its divisors is an integer number (5735334).

Almost surely, 2^22419899 is an apocalyptic number.

22419899 is a deficient number, since it is larger than the sum of its proper divisors (521437).

22419899 is an equidigital number, since it uses as much as digits as its factorization.

22419899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521436.

The product of its digits is 93312, while the sum is 44.

The square root of 22419899 is about 4734.9655753764. The cubic root of 22419899 is about 281.9753973138.

The spelling of 22419899 in words is "twenty-two million, four hundred nineteen thousand, eight hundred ninety-nine".