222254290449 has 40 divisors (see below), whose sum is σ = 337392760320. Its totient is φ = 145775851200.

The previous prime is 222254290369. The next prime is 222254290457. The reversal of 222254290449 is 944092452222.

It is a de Polignac number, because none of the positive numbers 2^k-222254290449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222254290459) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2714389 + ... + 2795069.

It is an arithmetic number, because the mean of its divisors is an integer number (8434819008).

Almost surely, 2^222254290449 is an apocalyptic number.

It is an amenable number.

222254290449 is a deficient number, since it is larger than the sum of its proper divisors (115138469871).

222254290449 is an equidigital number, since it uses as much as digits as its factorization.

222254290449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81243 (or 81234 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 222254290449 in words is "two hundred twenty-two billion, two hundred fifty-four million, two hundred ninety thousand, four hundred forty-nine".