236223420 has 24 divisors (see below), whose sum is σ = 661425744. Its totient is φ = 62992896.

The previous prime is 236223419. The next prime is 236223431. The reversal of 236223420 is 24322632.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968469 + ... + 1968588.

It is an arithmetic number, because the mean of its divisors is an integer number (27559406).

Almost surely, 2^236223420 is an apocalyptic number.

236223420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236223420 is an abundant number, since it is smaller than the sum of its proper divisors (425202324).

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

236223420 is a wasteful number, since it uses less digits than its factorization.

236223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937069 (or 3937067 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 236223420 is about 15369.5614771535. The cubic root of 236223420 is about 618.1696102365.

The spelling of 236223420 in words is "two hundred thirty-six million, two hundred twenty-three thousand, four hundred twenty".