222002643162456 has 160 divisors (see below), whose sum is σ = 669674790061200. Its totient is φ = 68305438736640.

The previous prime is 222002643162439. The next prime is 222002643162463. The reversal of 222002643162456 is 654261346200222.

222002643162456 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 0 + 264 + 316 + 24 + 56 = 666.

It is a super-2 number, since 2×222002643162456² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 190720371 + ... + 191880861.

Almost surely, 2^{222002643162456} is an apocalyptic number.

222002643162456 is a gapful number since it is divisible by the number (26) 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 222002643162456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334837395030600).

222002643162456 is an abundant number, since it is smaller than the sum of its proper divisors (447672146898744).

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

222002643162456 is a wasteful number, since it uses less digits than its factorization.

222002643162456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183231 (or 1183218 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

Adding to 222002643162456 its reverse (654261346200222), we get a palindrome (876263989362678).

The spelling of 222002643162456 in words is "two hundred twenty-two trillion, two billion, six hundred forty-three million, one hundred sixty-two thousand, four hundred fifty-six".