22313143100 has 72 divisors (see below), whose sum is σ = 49385932848. Its totient is φ = 8747481600.

The previous prime is 22313143087. The next prime is 22313143117. The reversal of 22313143100 is 134131322.

It is a super-3 number, since 3×22313143100³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6999707 + ... + 7002893.

It is an arithmetic number, because the mean of its divisors is an integer number (685915734).

Almost surely, 2^22313143100 is an apocalyptic number.

22313143100 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 22313143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24692966424).

22313143100 is an abundant number, since it is smaller than the sum of its proper divisors (27072789748).

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

22313143100 is a wasteful number, since it uses less digits than its factorization.

22313143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575 (or 4568 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22313143100 its reverse (134131322), we get a palindrome (22447274422).

The spelling of 22313143100 in words is "twenty-two billion, three hundred thirteen million, one hundred forty-three thousand, one hundred".