22223573999400 has 192 divisors, whose sum is σ = 71916857740800. Its totient is φ = 5666380220160.

The previous prime is 22223573999359. The next prime is 22223573999411. The reversal of 22223573999400 is 499937532222.

It is a happy number.

It is a super-2 number, since 2×22223573999400² (a number of 27 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 34721067 + ... + 35355333.

It is an arithmetic number, because the mean of its divisors is an integer number (374566967400).

Almost surely, 2^{22223573999400} is an apocalyptic number.

22223573999400 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 22223573999400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35958428870400).

22223573999400 is an abundant number, since it is smaller than the sum of its proper divisors (49693283741400).

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

22223573999400 is a wasteful number, since it uses less digits than its factorization.

22223573999400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636848 (or 636839 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 22223573999400 in words is "twenty-two trillion, two hundred twenty-three billion, five hundred seventy-three million, nine hundred ninety-nine thousand, four hundred".