2221215400050 has 48 divisors (see below), whose sum is σ = 5657495670912. Its totient is φ = 576315345600.

The previous prime is 2221215400003. The next prime is 2221215400097. The reversal of 2221215400050 is 500045121222.

It is an interprime number because it is at equal distance from previous prime (2221215400003) and next prime (2221215400097).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200103946 + ... + 200115045.

It is an arithmetic number, because the mean of its divisors is an integer number (117864493144).

Almost surely, 2^{2221215400050} is an apocalyptic number.

2221215400050 is an abundant number, since it is smaller than the sum of its proper divisors (3436280270862).

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

2221215400050 is a wasteful number, since it uses less digits than its factorization.

2221215400050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400219043 (or 400219038 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 2221215400050 in words is "two trillion, two hundred twenty-one billion, two hundred fifteen million, four hundred thousand, fifty".