222149245 has 8 divisors (see below), whose sum is σ = 268176384. Its totient is φ = 176654544.

The previous prime is 222149233. The next prime is 222149261. The reversal of 222149245 is 542941222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222149245 - 2⁷ = 222149117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132189 + ... + 133858.

It is an arithmetic number, because the mean of its divisors is an integer number (33522048).

Almost surely, 2^222149245 is an apocalyptic number.

It is an amenable number.

222149245 is a deficient number, since it is larger than the sum of its proper divisors (46027139).

222149245 is a wasteful number, since it uses less digits than its factorization.

222149245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266219.

The product of its digits is 11520, while the sum is 31.

The square root of 222149245 is about 14904.6719185630. The cubic root of 222149245 is about 605.6405528114.

The spelling of 222149245 in words is "two hundred twenty-two million, one hundred forty-nine thousand, two hundred forty-five".