22126547380 has 24 divisors (see below), whose sum is σ = 53103714048. Its totient is φ = 7586244768.

The previous prime is 22126547347. The next prime is 22126547473. The reversal of 22126547380 is 8374562122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79023244 + ... + 79023523.

It is an arithmetic number, because the mean of its divisors is an integer number (2212654752).

Almost surely, 2^22126547380 is an apocalyptic number.

22126547380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22126547380 is an abundant number, since it is smaller than the sum of its proper divisors (30977166668).

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

22126547380 is a wasteful number, since it uses less digits than its factorization.

22126547380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158046783 (or 158046781 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 22126547380 in words is "twenty-two billion, one hundred twenty-six million, five hundred forty-seven thousand, three hundred eighty".