22275740 has 12 divisors (see below), whose sum is σ = 46779096. Its totient is φ = 8910288.

The previous prime is 22275719. The next prime is 22275749. The reversal of 22275740 is 4757222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22275749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556874 + ... + 556913.

It is an arithmetic number, because the mean of its divisors is an integer number (3898258).

Almost surely, 2^22275740 is an apocalyptic number.

22275740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22275740 is an abundant number, since it is smaller than the sum of its proper divisors (24503356).

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

22275740 is a wasteful number, since it uses less digits than its factorization.

22275740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113796 (or 1113794 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 22275740 is about 4719.7182119275. The cubic root of 22275740 is about 281.3697340400.

The spelling of 22275740 in words is "twenty-two million, two hundred seventy-five thousand, seven hundred forty".