2221554975 has 24 divisors (see below), whose sum is σ = 3678676752. Its totient is φ = 1182988800.

The previous prime is 2221554931. The next prime is 2221555003. The reversal of 2221554975 is 5794551222.

2221554975 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221554975 - 2⁸ = 2221554719 is a prime.

It is a congruent number.

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, 26295 + ... + 71655.

It is an arithmetic number, because the mean of its divisors is an integer number (153278198).

Almost surely, 2^2221554975 is an apocalyptic number.

2221554975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2221554975 is a deficient number, since it is larger than the sum of its proper divisors (1457121777).

2221554975 is a wasteful number, since it uses less digits than its factorization.

2221554975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46027 (or 46022 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 2221554975 is about 47133.3743222358. The cubic root of 2221554975 is about 1304.8252580872.

The spelling of 2221554975 in words is "two billion, two hundred twenty-one million, five hundred fifty-four thousand, nine hundred seventy-five".