22999999 has 8 divisors (see below), whose sum is σ = 25126992. Its totient is φ = 20879040.

The previous prime is 22999993. The next prime is 23000009. The reversal of 22999999 is 99999922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22999999 - 2¹⁹ = 22475711 is a prime.

22999999 is a modest number, since divided by 9999 gives 2299 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22999993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11067 + ... + 12979.

It is an arithmetic number, because the mean of its divisors is an integer number (3140874).

Almost surely, 2^22999999 is an apocalyptic number.

22999999 is a deficient number, since it is larger than the sum of its proper divisors (2126993).

22999999 is a wasteful number, since it uses less digits than its factorization.

22999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017.

The product of its digits is 2125764, while the sum is 58.

The square root of 22999999 is about 4795.8314190555. The cubic root of 22999999 is about 284.3866938636.

The spelling of 22999999 in words is "twenty-two million, nine hundred ninety-nine thousand, nine hundred ninety-nine".