22284775 has 6 divisors (see below), whose sum is σ = 27633152. Its totient is φ = 17827800.

The previous prime is 22284761. The next prime is 22284781. The reversal of 22284775 is 57748222.

It is not a de Polignac number, because 22284775 - 2¹¹ = 22282727 is a prime.

It is a super-2 number, since 2×22284775² = 993222393601250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445671 + ... + 445720.

Almost surely, 2^22284775 is an apocalyptic number.

22284775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22284775 is a deficient number, since it is larger than the sum of its proper divisors (5348377).

22284775 is an equidigital number, since it uses as much as digits as its factorization.

22284775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891401 (or 891396 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 22284775 is about 4720.6752694927. The cubic root of 22284775 is about 281.4077699171.

The spelling of 22284775 in words is "twenty-two million, two hundred eighty-four thousand, seven hundred seventy-five".