223581396 has 12 divisors (see below), whose sum is σ = 521689952. Its totient is φ = 74527128.

The previous prime is 223581389. The next prime is 223581403. The reversal of 223581396 is 693185322.

223581396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223581389) and next prime (223581403).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9315880 + ... + 9315903.

Almost surely, 2^223581396 is an apocalyptic number.

It is an amenable number.

223581396 is an abundant number, since it is smaller than the sum of its proper divisors (298108556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223581396 is a wasteful number, since it uses less digits than its factorization.

223581396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18631790 (or 18631788 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 223581396 is about 14952.6384293876. The cubic root of 223581396 is about 606.9392464800.

The spelling of 223581396 in words is "two hundred twenty-three million, five hundred eighty-one thousand, three hundred ninety-six".