22130234021240 has 128 divisors (see below), whose sum is σ = 52299036201600. Its totient is φ = 8411812823040.

The previous prime is 22130234021221. The next prime is 22130234021303. The reversal of 22130234021240 is 4212043203122.

It is a super-2 number, since 2×22130234021240² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87233780 + ... + 87487100.

It is an arithmetic number, because the mean of its divisors is an integer number (408586220325).

Almost surely, 2^{22130234021240} is an apocalyptic number.

22130234021240 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 22130234021240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26149518100800).

22130234021240 is an abundant number, since it is smaller than the sum of its proper divisors (30168802180360).

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

22130234021240 is a wasteful number, since it uses less digits than its factorization.

22130234021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253977 (or 253973 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 22130234021240 its reverse (4212043203122), we get a palindrome (26342277224362).

The spelling of 22130234021240 in words is "twenty-two trillion, one hundred thirty billion, two hundred thirty-four million, twenty-one thousand, two hundred forty".