223522397 has 8 divisors (see below), whose sum is σ = 255582336. Its totient is φ = 191494512.

The previous prime is 223522381. The next prime is 223522399. The reversal of 223522397 is 793225322.

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

It is a cyclic number.

It is not a de Polignac number, because 223522397 - 2⁴ = 223522381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223522399) 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, 9488 + ... + 23174.

It is an arithmetic number, because the mean of its divisors is an integer number (31947792).

Almost surely, 2^223522397 is an apocalyptic number.

It is an amenable number.

223522397 is a deficient number, since it is larger than the sum of its proper divisors (32059939).

223522397 is a wasteful number, since it uses less digits than its factorization.

223522397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16027.

The product of its digits is 45360, while the sum is 35.

The square root of 223522397 is about 14950.6654366955. The cubic root of 223522397 is about 606.8858550985.

The spelling of 223522397 in words is "two hundred twenty-three million, five hundred twenty-two thousand, three hundred ninety-seven".