22274775 has 18 divisors (see below), whose sum is σ = 39897000. Its totient is φ = 11879760.

The previous prime is 22274737. The next prime is 22274797. The reversal of 22274775 is 57747222.

It is not a de Polignac number, because 22274775 - 2¹¹ = 22272727 is a prime.

It is a super-3 number, since 3×22274775³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49275 + ... + 49724.

It is an arithmetic number, because the mean of its divisors is an integer number (2216500).

Almost surely, 2^22274775 is an apocalyptic number.

22274775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22274775 is a deficient number, since it is larger than the sum of its proper divisors (17622225).

22274775 is a wasteful number, since it uses less digits than its factorization.

22274775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99015 (or 99007 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 22274775 is about 4719.6159801408. The cubic root of 22274775 is about 281.3656709395.

The spelling of 22274775 in words is "twenty-two million, two hundred seventy-four thousand, seven hundred seventy-five".