222322091904 has 1024 divisors, whose sum is σ = 797805158400. Its totient is φ = 60914073600.

The previous prime is 222322091897. The next prime is 222322091909. The reversal of 222322091904 is 409190223222.

It is a happy number.

It is a super-2 number, since 2×222322091904² (a number of 23 digits) contains 22 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 not an unprimeable number, because it can be changed into a prime (222322091909) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1622788924 + ... + 1622789060.

It is an arithmetic number, because the mean of its divisors is an integer number (779106600).

Almost surely, 2^222322091904 is an apocalyptic number.

222322091904 is a gapful number since it is divisible by the number (24) 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 222322091904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398902579200).

222322091904 is an abundant number, since it is smaller than the sum of its proper divisors (575483066496).

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

222322091904 is a wasteful number, since it uses less digits than its factorization.

222322091904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 222322091904 in words is "two hundred twenty-two billion, three hundred twenty-two million, ninety-one thousand, nine hundred four".