22213945380 has 192 divisors, whose sum is σ = 71826693120. Its totient is φ = 5073062400.

The previous prime is 22213945367. The next prime is 22213945483. The reversal of 22213945380 is 8354931222.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2264847 + ... + 2274633.

It is an arithmetic number, because the mean of its divisors is an integer number (374097360).

Almost surely, 2^22213945380 is an apocalyptic number.

22213945380 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 22213945380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35913346560).

22213945380 is an abundant number, since it is smaller than the sum of its proper divisors (49612747740).

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

22213945380 is a wasteful number, since it uses less digits than its factorization.

22213945380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010 (or 10008 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 22213945380 in words is "twenty-two billion, two hundred thirteen million, nine hundred forty-five thousand, three hundred eighty".