22010431340 has 24 divisors (see below), whose sum is σ = 46225243680. Its totient is φ = 8803536768.

The previous prime is 22010431337. The next prime is 22010431343. The reversal of 22010431340 is 4313401022.

It is an interprime number because it is at equal distance from previous prime (22010431337) and next prime (22010431343).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (22010431343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326456 + ... + 388064.

It is an arithmetic number, because the mean of its divisors is an integer number (1926051820).

Almost surely, 2^22010431340 is an apocalyptic number.

22010431340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010431340 is an abundant number, since it is smaller than the sum of its proper divisors (24214812340).

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

22010431340 is a wasteful number, since it uses less digits than its factorization.

22010431340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79481 (or 79479 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22010431340 its reverse (4313401022), we get a palindrome (26323832362).

The spelling of 22010431340 in words is "twenty-two billion, ten million, four hundred thirty-one thousand, three hundred forty".