22999223 has 4 divisors (see below), whose sum is σ = 24768408. Its totient is φ = 21230040.

The previous prime is 22999219. The next prime is 22999259. The reversal of 22999223 is 32299922.

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

It is not a de Polignac number, because 22999223 - 2² = 22999219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22999723) 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, 884573 + ... + 884598.

It is an arithmetic number, because the mean of its divisors is an integer number (6192102).

Almost surely, 2^22999223 is an apocalyptic number.

22999223 is a deficient number, since it is larger than the sum of its proper divisors (1769185).

22999223 is a wasteful number, since it uses less digits than its factorization.

22999223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769184.

The product of its digits is 34992, while the sum is 38.

The square root of 22999223 is about 4795.7505147787. The cubic root of 22999223 is about 284.3834955076.

The spelling of 22999223 in words is "twenty-two million, nine hundred ninety-nine thousand, two hundred twenty-three".