23220024 has 16 divisors (see below), whose sum is σ = 58050120. Its totient is φ = 7740000.

The previous prime is 23220019. The next prime is 23220037. The reversal of 23220024 is 42002232.

It is a junction number, because it is equal to n+sod(n) for n = 23219985 and 23220012.

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, 483727 + ... + 483774.

Almost surely, 2^23220024 is an apocalyptic number.

23220024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23220024 is an abundant number, since it is smaller than the sum of its proper divisors (34830096).

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

23220024 is a wasteful number, since it uses less digits than its factorization.

23220024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967510 (or 967506 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 23220024 is about 4818.7160115533. The cubic root of 23220024 is about 285.2906606830.

Adding to 23220024 its reverse (42002232), we get a palindrome (65222256).

The spelling of 23220024 in words is "twenty-three million, two hundred twenty thousand, twenty-four".