22201241240 has 32 divisors (see below), whose sum is σ = 50312178000. Its totient is φ = 8816605824.

The previous prime is 22201241219. The next prime is 22201241243. The reversal of 22201241240 is 4214210222.

It is a super-2 number, since 2×22201241240² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201241243) 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, 1990955 + ... + 2002074.

Almost surely, 2^22201241240 is an apocalyptic number.

22201241240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201241240 is an abundant number, since it is smaller than the sum of its proper divisors (28110936760).

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

22201241240 is a wasteful number, since it uses less digits than its factorization.

22201241240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993179 (or 3993175 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22201241240 its reverse (4214210222), we get a palindrome (26415451462).

The spelling of 22201241240 in words is "twenty-two billion, two hundred one million, two hundred forty-one thousand, two hundred forty".