22453693 has 2 divisors, whose sum is σ = 22453694. Its totient is φ = 22453692.

The previous prime is 22453667. The next prime is 22453723. The reversal of 22453693 is 39635422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15578809 + 6874884 = 3947^2 + 2622^2 .

It is a cyclic number.

It is not a de Polignac number, because 22453693 - 2¹⁷ = 22322621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22453603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226846 + 11226847.

It is an arithmetic number, because the mean of its divisors is an integer number (11226847).

Almost surely, 2^22453693 is an apocalyptic number.

It is an amenable number.

22453693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22453693 is an equidigital number, since it uses as much as digits as its factorization.

22453693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 22453693 is about 4738.5327897990. The cubic root of 22453693 is about 282.1170020669.

The spelling of 22453693 in words is "twenty-two million, four hundred fifty-three thousand, six hundred ninety-three".