22401301240 has 32 divisors (see below), whose sum is σ = 50414801760. Its totient is φ = 8958409600.

The previous prime is 22401301187. The next prime is 22401301249. The reversal of 22401301240 is 4210310422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401301249) 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, 111870 + ... + 239410.

It is an arithmetic number, because the mean of its divisors is an integer number (1575462555).

Almost surely, 2^22401301240 is an apocalyptic number.

22401301240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22401301240 is an abundant number, since it is smaller than the sum of its proper divisors (28013500520).

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

22401301240 is a wasteful number, since it uses less digits than its factorization.

22401301240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131943 (or 131939 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22401301240 its reverse (4210310422), we get a palindrome (26611611662).

The spelling of 22401301240 in words is "twenty-two billion, four hundred one million, three hundred one thousand, two hundred forty".