1222768404 has 216 divisors, whose sum is σ = 3705758784. Its totient is φ = 339768000.

The previous prime is 1222768387. The next prime is 1222768423. The reversal of 1222768404 is 4048672221.

It is a super-4 number, since 4×1222768404⁴ (a number of 37 digits) contains 4444 as substring.

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 71 ways as a sum of consecutive naturals, for example, 8097729 + ... + 8097879.

Almost surely, 2^1222768404 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 1222768404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852879392).

1222768404 is an abundant number, since it is smaller than the sum of its proper divisors (2482990380).

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

1222768404 is a wasteful number, since it uses less digits than its factorization.

1222768404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1222768404 is about 34968.1055248923. The cubic root of 1222768404 is about 1069.3373496265.

The spelling of 1222768404 in words is "one billion, two hundred twenty-two million, seven hundred sixty-eight thousand, four hundred four".