223872146 has 8 divisors (see below), whose sum is σ = 336510720. Its totient is φ = 111701908.

The previous prime is 223872101. The next prime is 223872151. The reversal of 223872146 is 641278322.

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

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, 115886 + ... + 117801.

It is an arithmetic number, because the mean of its divisors is an integer number (42063840).

Almost surely, 2^223872146 is an apocalyptic number.

223872146 is a deficient number, since it is larger than the sum of its proper divisors (112638574).

223872146 is a wasteful number, since it uses less digits than its factorization.

223872146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234168.

The product of its digits is 32256, while the sum is 35.

The square root of 223872146 is about 14962.3576350788. The cubic root of 223872146 is about 607.2022247513.

The spelling of 223872146 in words is "two hundred twenty-three million, eight hundred seventy-two thousand, one hundred forty-six".