22292593 has 6 divisors (see below), whose sum is σ = 23681366. Its totient is φ = 20980992.

The previous prime is 22292591. The next prime is 22292597. The reversal of 22292593 is 39529222.

It can be written as a sum of positive squares in 3 ways, for example, as 15147664 + 7144929 = 3892^2 + 2673^2 .

It is not a de Polignac number, because 22292593 - 2¹ = 22292591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22292591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38280 + ... + 38857.

Almost surely, 2^22292593 is an apocalyptic number.

It is an amenable number.

22292593 is a deficient number, since it is larger than the sum of its proper divisors (1388773).

22292593 is an equidigital number, since it uses as much as digits as its factorization.

22292593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77171 (or 77154 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 22292593 is about 4721.5032563793. The cubic root of 22292593 is about 281.4406741267.

The spelling of 22292593 in words is "twenty-two million, two hundred ninety-two thousand, five hundred ninety-three".