22999546 has 8 divisors (see below), whose sum is σ = 34519860. Its totient is φ = 11492928.

The previous prime is 22999513. The next prime is 22999547. The reversal of 22999546 is 64599922.

It can be written as a sum of positive squares in 2 ways, for example, as 22934521 + 65025 = 4789^2 + 255^2 .

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

It is a super-2 number, since 2×22999546² = 1057958232412232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22999496 and 22999505.

It is not an unprimeable number, because it can be changed into a prime (22999547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970 + ... + 7858.

Almost surely, 2^22999546 is an apocalyptic number.

22999546 is a deficient number, since it is larger than the sum of its proper divisors (11520314).

22999546 is a wasteful number, since it uses less digits than its factorization.

22999546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848.

The product of its digits is 349920, while the sum is 46.

The square root of 22999546 is about 4795.7841903071. The cubic root of 22999546 is about 284.3848267908.

The spelling of 22999546 in words is "twenty-two million, nine hundred ninety-nine thousand, five hundred forty-six".