222050145 has 16 divisors (see below), whose sum is σ = 358603200. Its totient is φ = 117319104.

The previous prime is 222050051. The next prime is 222050161. The reversal of 222050145 is 541050222.

It is a happy number.

It is not a de Polignac number, because 222050145 - 2¹¹ = 222048097 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67570 + ... + 70779.

It is an arithmetic number, because the mean of its divisors is an integer number (22412700).

Almost surely, 2^222050145 is an apocalyptic number.

It is an amenable number.

222050145 is a deficient number, since it is larger than the sum of its proper divisors (136553055).

222050145 is a wasteful number, since it uses less digits than its factorization.

222050145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138464.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 222050145 is about 14901.3470867570. The cubic root of 222050145 is about 605.5504813735.

The spelling of 222050145 in words is "two hundred twenty-two million, fifty thousand, one hundred forty-five".