2221199975 has 12 divisors (see below), whose sum is σ = 2775317160. Its totient is φ = 1763392800.

The previous prime is 2221199933. The next prime is 2221199977. The reversal of 2221199975 is 5799911222.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2221199975 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221199977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335840 + ... + 342389.

It is an arithmetic number, because the mean of its divisors is an integer number (231276430).

Almost surely, 2^2221199975 is an apocalyptic number.

2221199975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2221199975 is a deficient number, since it is larger than the sum of its proper divisors (554117185).

2221199975 is a wasteful number, since it uses less digits than its factorization.

2221199975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678370 (or 678365 counting only the distinct ones).

The product of its digits is 204120, while the sum is 47.

The square root of 2221199975 is about 47129.6082627471. The cubic root of 2221199975 is about 1304.7557515707.

The spelling of 2221199975 in words is "two billion, two hundred twenty-one million, one hundred ninety-nine thousand, nine hundred seventy-five".