222501100041520 has 40 divisors (see below), whose sum is σ = 517331820653280. Its totient is φ = 88997556049920.

The previous prime is 222501100041427. The next prime is 222501100041527. The reversal of 222501100041520 is 25140001105222.

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

It is not an unprimeable number, because it can be changed into a prime (222501100041527) 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, 42576865 + ... + 47516224.

It is an arithmetic number, because the mean of its divisors is an integer number (12933295516332).

Almost surely, 2^{222501100041520} is an apocalyptic number.

222501100041520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222501100041520 is an abundant number, since it is smaller than the sum of its proper divisors (294830720611760).

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

222501100041520 is a wasteful number, since it uses less digits than its factorization.

222501100041520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90123973 (or 90123967 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 222501100041520 its reverse (25140001105222), we get a palindrome (247641101146742).

The spelling of 222501100041520 in words is "two hundred twenty-two trillion, five hundred one billion, one hundred million, forty-one thousand, five hundred twenty".