22313397 has 8 divisors (see below), whose sum is σ = 30711040. Its totient is φ = 14395680.

The previous prime is 22313393. The next prime is 22313411. The reversal of 22313397 is 79331322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22313397 - 2² = 22313393 is a prime.

It is a super-3 number, since 3×22313397³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119872 + ... + 120057.

It is an arithmetic number, because the mean of its divisors is an integer number (3838880).

Almost surely, 2^22313397 is an apocalyptic number.

It is an amenable number.

22313397 is a deficient number, since it is larger than the sum of its proper divisors (8397643).

22313397 is a wasteful number, since it uses less digits than its factorization.

22313397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239963.

The product of its digits is 6804, while the sum is 30.

The square root of 22313397 is about 4723.7058545172. The cubic root of 22313397 is about 281.5281960427.

The spelling of 22313397 in words is "twenty-two million, three hundred thirteen thousand, three hundred ninety-seven".