159402222 has 32 divisors (see below), whose sum is σ = 404832000. Its totient is φ = 45543384.

The previous prime is 159402203. The next prime is 159402227. The reversal of 159402222 is 222204951.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159402227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210472 + ... + 211227.

It is an arithmetic number, because the mean of its divisors is an integer number (12651000).

Almost surely, 2^159402222 is an apocalyptic number.

159402222 is an abundant number, since it is smaller than the sum of its proper divisors (245429778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159402222 is a wasteful number, since it uses less digits than its factorization.

159402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421717 (or 421711 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 159402222 is about 12625.4592787748. The cubic root of 159402222 is about 542.2065882767.

The spelling of 159402222 in words is "one hundred fifty-nine million, four hundred two thousand, two hundred twenty-two".