23220044 has 6 divisors (see below), whose sum is σ = 40635084. Its totient is φ = 11610020.

The previous prime is 23220037. The next prime is 23220047. The reversal of 23220044 is 44002232.

It is not an unprimeable number, because it can be changed into a prime (23220047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902502 + ... + 2902509.

It is an arithmetic number, because the mean of its divisors is an integer number (6772514).

Almost surely, 2^23220044 is an apocalyptic number.

It is an amenable number.

23220044 is a deficient number, since it is larger than the sum of its proper divisors (17415040).

23220044 is a wasteful number, since it uses less digits than its factorization.

23220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805015 (or 5805013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 23220044 is about 4818.7180867945. The cubic root of 23220044 is about 285.2907425924.

Adding to 23220044 its reverse (44002232), we get a palindrome (67222276).

The spelling of 23220044 in words is "twenty-three million, two hundred twenty thousand, forty-four".