222179145 has 16 divisors (see below), whose sum is σ = 355808832. Its totient is φ = 118388160.

The previous prime is 222179143. The next prime is 222179147. The reversal of 222179145 is 541971222.

It is an interprime number because it is at equal distance from previous prime (222179143) and next prime (222179147).

It is not a de Polignac number, because 222179145 - 2¹ = 222179143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222179143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12090 + ... + 24300.

It is an arithmetic number, because the mean of its divisors is an integer number (22238052).

Almost surely, 2^222179145 is an apocalyptic number.

It is an amenable number.

222179145 is a deficient number, since it is larger than the sum of its proper divisors (133629687).

222179145 is a wasteful number, since it uses less digits than its factorization.

222179145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13432.

The product of its digits is 10080, while the sum is 33.

The square root of 222179145 is about 14905.6749260139. The cubic root of 222179145 is about 605.6677234944.

The spelling of 222179145 in words is "two hundred twenty-two million, one hundred seventy-nine thousand, one hundred forty-five".