1222464960 has 336 divisors, whose sum is σ = 4437888000. Its totient is φ = 320246784.

The previous prime is 1222464937. The next prime is 1222464977. The reversal of 1222464960 is 694642221.

1222464960 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 4 + 649 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6142941 + ... + 6143139.

It is an arithmetic number, because the mean of its divisors is an integer number (13208000).

Almost surely, 2^1222464960 is an apocalyptic number.

1222464960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222464960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2218944000).

1222464960 is an abundant number, since it is smaller than the sum of its proper divisors (3215423040).

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

1222464960 is an equidigital number, since it uses as much as digits as its factorization.

1222464960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1222464960 is about 34963.7663875047. The cubic root of 1222464960 is about 1069.2488862002.

The spelling of 1222464960 in words is "one billion, two hundred twenty-two million, four hundred sixty-four thousand, nine hundred sixty".