2222022456 has 320 divisors, whose sum is σ = 6915585600. Its totient is φ = 664215552.

The previous prime is 2222022449. The next prime is 2222022497. The reversal of 2222022456 is 6542202222.

2222022456 = 334² + 335² + ... + 1885².

2222022456 is a `hidden beast` number, since 2 + 2 + 2 + 202 + 2 + 456 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22907400 + ... + 22907496.

It is an arithmetic number, because the mean of its divisors is an integer number (21611205).

Almost surely, 2^2222022456 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 2222022456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3457792800).

2222022456 is an abundant number, since it is smaller than the sum of its proper divisors (4693563144).

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

2222022456 is a wasteful number, since it uses less digits than its factorization.

2222022456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2222022456 is about 47138.3331907271. Note that the first 3 decimals coincide. The cubic root of 2222022456 is about 1304.9167763019.

Adding to 2222022456 its reverse (6542202222), we get a palindrome (8764224678).

The spelling of 2222022456 in words is "two billion, two hundred twenty-two million, twenty-two thousand, four hundred fifty-six".