22257093 has 4 divisors (see below), whose sum is σ = 29676128. Its totient is φ = 14838060.

The previous prime is 22257089. The next prime is 22257107. The reversal of 22257093 is 39075222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22257093 - 2² = 22257089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22257093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22257023) 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, 3709513 + ... + 3709518.

It is an arithmetic number, because the mean of its divisors is an integer number (7419032).

Almost surely, 2^22257093 is an apocalyptic number.

It is an amenable number.

22257093 is a deficient number, since it is larger than the sum of its proper divisors (7419035).

22257093 is an equidigital number, since it uses as much as digits as its factorization.

22257093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419034.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 22257093 is about 4717.7423626137. The cubic root of 22257093 is about 281.2912006802.

The spelling of 22257093 in words is "twenty-two million, two hundred fifty-seven thousand, ninety-three".