1222026624 has 192 divisors, whose sum is σ = 4328382240. Its totient is φ = 322265088.

The previous prime is 1222026587. The next prime is 1222026677. The reversal of 1222026624 is 4266202221.

It is a happy number.

1222026624 is a `hidden beast` number, since 12 + 2 + 2 + 0 + 26 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99004 + ... + 110660.

Almost surely, 2^1222026624 is an apocalyptic number.

1222026624 is a gapful number since it is divisible by the number (14) 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 1222026624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164191120).

1222026624 is an abundant number, since it is smaller than the sum of its proper divisors (3106355616).

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

1222026624 is a wasteful number, since it uses less digits than its factorization.

1222026624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11697 (or 11682 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1222026624 is about 34957.4973932632. The cubic root of 1222026624 is about 1069.1210716819.

Adding to 1222026624 its reverse (4266202221), we get a palindrome (5488228845).

The spelling of 1222026624 in words is "one billion, two hundred twenty-two million, twenty-six thousand, six hundred twenty-four".