22299546 has 16 divisors (see below), whose sum is σ = 47222784. Its totient is φ = 6995904.

The previous prime is 22299539. The next prime is 22299553. The reversal of 22299546 is 64599222.

It is an interprime number because it is at equal distance from previous prime (22299539) and next prime (22299553).

It is a super-2 number, since 2×22299546² = 994539503612232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109210 + ... + 109413.

It is an arithmetic number, because the mean of its divisors is an integer number (2951424).

Almost surely, 2^22299546 is an apocalyptic number.

22299546 is an abundant number, since it is smaller than the sum of its proper divisors (24923238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22299546 is a wasteful number, since it uses less digits than its factorization.

22299546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218645.

The product of its digits is 77760, while the sum is 39.

The square root of 22299546 is about 4722.2395110795. The cubic root of 22299546 is about 281.4699312824.

The spelling of 22299546 in words is "twenty-two million, two hundred ninety-nine thousand, five hundred forty-six".