22147400700 has 180 divisors, whose sum is σ = 71910991152. Its totient is φ = 5896281600.

The previous prime is 22147400669. The next prime is 22147400701. The reversal of 22147400700 is 700474122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147400701) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5886820 + ... + 5890580.

Almost surely, 2^22147400700 is an apocalyptic number.

22147400700 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 22147400700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35955495576).

22147400700 is an abundant number, since it is smaller than the sum of its proper divisors (49763590452).

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

22147400700 is a wasteful number, since it uses less digits than its factorization.

22147400700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514 (or 4498 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

Adding to 22147400700 its reverse (700474122), we get a palindrome (22847874822).

The spelling of 22147400700 in words is "twenty-two billion, one hundred forty-seven million, four hundred thousand, seven hundred".