222021420423000 has 512 divisors, whose sum is σ = 812377457049600. Its totient is φ = 49905653184000.

The previous prime is 222021420422951. The next prime is 222021420423043. The reversal of 222021420423000 is 324024120222.

It is a super-2 number, since 2×222021420423000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 25701967 + ... + 33236033.

It is an arithmetic number, because the mean of its divisors is an integer number (1586674720800).

Almost surely, 2^{222021420423000} is an apocalyptic number.

222021420423000 is a gapful number since it is divisible by the number (20) 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 222021420423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406188728524800).

222021420423000 is an abundant number, since it is smaller than the sum of its proper divisors (590356036626600).

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

222021420423000 is a wasteful number, since it uses less digits than its factorization.

222021420423000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534168 (or 7534154 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 222021420423000 its reverse (324024120222), we get a palindrome (222345444543222).

The spelling of 222021420423000 in words is "two hundred twenty-two trillion, twenty-one billion, four hundred twenty million, four hundred twenty-three thousand".