22013344340 has 48 divisors (see below), whose sum is σ = 50176100352. Its totient is φ = 8063991936.

The previous prime is 22013344337. The next prime is 22013344343. The reversal of 22013344340 is 4344331022.

It is an interprime number because it is at equal distance from previous prime (22013344337) and next prime (22013344343).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013344343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300314 + ... + 366353.

It is an arithmetic number, because the mean of its divisors is an integer number (1045335424).

Almost surely, 2^22013344340 is an apocalyptic number.

22013344340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013344340 is an abundant number, since it is smaller than the sum of its proper divisors (28162756012).

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

22013344340 is a wasteful number, since it uses less digits than its factorization.

22013344340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666816 (or 666814 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22013344340 its reverse (4344331022), we get a palindrome (26357675362).

The spelling of 22013344340 in words is "twenty-two billion, thirteen million, three hundred forty-four thousand, three hundred forty".