23221230 has 32 divisors (see below), whose sum is σ = 58665600. Its totient is φ = 5866272.

The previous prime is 23221223. The next prime is 23221241. The reversal of 23221230 is 3212232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19800 + ... + 20939.

It is an arithmetic number, because the mean of its divisors is an integer number (1833300).

Almost surely, 2^23221230 is an apocalyptic number.

23221230 is an abundant number, since it is smaller than the sum of its proper divisors (35444370).

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

23221230 is a wasteful number, since it uses less digits than its factorization.

23221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40768.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23221230 is about 4818.8411469979. The cubic root of 23221230 is about 285.2955997331.

Adding to 23221230 its reverse (3212232), we get a palindrome (26433462).

The spelling of 23221230 in words is "twenty-three million, two hundred twenty-one thousand, two hundred thirty".