912223650 has 96 divisors (see below), whose sum is σ = 2443468608. Its totient is φ = 223891200.

The previous prime is 912223583. The next prime is 912223657. The reversal of 912223650 is 56322219.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (912223657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1319805 + ... + 1320495.

It is an arithmetic number, because the mean of its divisors is an integer number (25452798).

Almost surely, 2^912223650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 912223650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221734304).

912223650 is an abundant number, since it is smaller than the sum of its proper divisors (1531244958).

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

912223650 is a wasteful number, since it uses less digits than its factorization.

912223650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 912223650 is about 30203.0404098660. The cubic root of 912223650 is about 969.8407823129.

Adding to 912223650 its reverse (56322219), we get a palindrome (968545869).

The spelling of 912223650 in words is "nine hundred twelve million, two hundred twenty-three thousand, six hundred fifty".