222423679296 has 896 divisors, whose sum is σ = 850435891200. Its totient is φ = 55399956480.

The previous prime is 222423679277. The next prime is 222423679333. The reversal of 222423679296 is 692976324222.

It is a super-2 number, since 2×222423679296² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 321886311 + ... + 321887001.

It is an arithmetic number, because the mean of its divisors is an integer number (949147200).

Almost surely, 2^222423679296 is an apocalyptic number.

222423679296 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 222423679296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425217945600).

222423679296 is an abundant number, since it is smaller than the sum of its proper divisors (628012211904).

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

222423679296 is a wasteful number, since it uses less digits than its factorization.

222423679296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 828 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 222423679296 in words is "two hundred twenty-two billion, four hundred twenty-three million, six hundred seventy-nine thousand, two hundred ninety-six".