222121053040 has 40 divisors (see below), whose sum is σ = 516457949040. Its totient is φ = 88843862016.

The previous prime is 222121052987. The next prime is 222121053043. The reversal of 222121053040 is 40350121222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121053043) 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, 1804171 + ... + 1923349.

It is an arithmetic number, because the mean of its divisors is an integer number (12911448726).

Almost surely, 2^222121053040 is an apocalyptic number.

222121053040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222121053040 is an abundant number, since it is smaller than the sum of its proper divisors (294336896000).

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

222121053040 is a wasteful number, since it uses less digits than its factorization.

222121053040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142489 (or 142483 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 222121053040 its reverse (40350121222), we get a palindrome (262471174262).

The spelling of 222121053040 in words is "two hundred twenty-two billion, one hundred twenty-one million, fifty-three thousand, forty".