22299454 has 4 divisors (see below), whose sum is σ = 33449184. Its totient is φ = 11149726.

The previous prime is 22299451. The next prime is 22299503. The reversal of 22299454 is 45499222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45499222 = 2 ⋅22749611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22299451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574862 + ... + 5574865.

It is an arithmetic number, because the mean of its divisors is an integer number (8362296).

Almost surely, 2^22299454 is an apocalyptic number.

22299454 is a deficient number, since it is larger than the sum of its proper divisors (11149730).

22299454 is a wasteful number, since it uses less digits than its factorization.

22299454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149729.

The product of its digits is 51840, while the sum is 37.

The square root of 22299454 is about 4722.2297699286. The cubic root of 22299454 is about 281.4695442003.

The spelling of 22299454 in words is "twenty-two million, two hundred ninety-nine thousand, four hundred fifty-four".