222001148 has 12 divisors (see below), whose sum is σ = 401898840. Its totient is φ = 107172912.

The previous prime is 222001141. The next prime is 222001159. The reversal of 222001148 is 841100222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956786 + ... + 957017.

It is an arithmetic number, because the mean of its divisors is an integer number (33491570).

Almost surely, 2^222001148 is an apocalyptic number.

It is an amenable number.

222001148 is a deficient number, since it is larger than the sum of its proper divisors (179897692).

222001148 is a wasteful number, since it uses less digits than its factorization.

222001148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913836 (or 1913834 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 222001148 is about 14899.7029500591. The cubic root of 222001148 is about 605.5059383725.

The spelling of 222001148 in words is "two hundred twenty-two million, one thousand, one hundred forty-eight".