23015226 has 32 divisors (see below), whose sum is σ = 51730560. Its totient is φ = 6773184.

The previous prime is 23015207. The next prime is 23015233. The reversal of 23015226 is 62251032.

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, 4621 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (1616580).

Almost surely, 2^23015226 is an apocalyptic number.

23015226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23015226 is an abundant number, since it is smaller than the sum of its proper divisors (28715334).

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

23015226 is a wasteful number, since it uses less digits than its factorization.

23015226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23015226 is about 4797.4186809158. The cubic root of 23015226 is about 284.4494388071.

Adding to 23015226 its reverse (62251032), we get a palindrome (85266258).

The spelling of 23015226 in words is "twenty-three million, fifteen thousand, two hundred twenty-six".