21224418150 has 192 divisors, whose sum is σ = 58716241920. Its totient is φ = 5038502400.

The previous prime is 21224418113. The next prime is 21224418161. The reversal of 21224418150 is 5181442212.

21224418150 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28955184 + ... + 28955916.

It is an arithmetic number, because the mean of its divisors is an integer number (305813760).

Almost surely, 2^21224418150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21224418150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29358120960).

21224418150 is an abundant number, since it is smaller than the sum of its proper divisors (37491823770).

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

21224418150 is a wasteful number, since it uses less digits than its factorization.

21224418150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 21224418150 in words is "twenty-one billion, two hundred twenty-four million, four hundred eighteen thousand, one hundred fifty".