1222461504 has 224 divisors, whose sum is σ = 3978737280. Its totient is φ = 364953600.

The previous prime is 1222461469. The next prime is 1222461509. The reversal of 1222461504 is 4051642221.

1222461504 is a `hidden beast` number, since 1 + 22 + 24 + 615 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1222461509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1387144 + ... + 1388024.

It is an arithmetic number, because the mean of its divisors is an integer number (17762220).

Almost surely, 2^1222461504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222461504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989368640).

1222461504 is an abundant number, since it is smaller than the sum of its proper divisors (2756275776).

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

1222461504 is a wasteful number, since it uses less digits than its factorization.

1222461504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1222461504 is about 34963.7169648766. The cubic root of 1222461504 is about 1069.2478785837.

The spelling of 1222461504 in words is "one billion, two hundred twenty-two million, four hundred sixty-one thousand, five hundred four".