152202222 has 12 divisors (see below), whose sum is σ = 329771520. Its totient is φ = 50734068.

The previous prime is 152202199. The next prime is 152202227. The reversal of 152202222 is 222202251.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 8455679 = 152202222 / (1 + 5 + 2 + 2 + 0 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 152202195 and 152202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152202227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4227822 + ... + 4227857.

It is an arithmetic number, because the mean of its divisors is an integer number (27480960).

Almost surely, 2^152202222 is an apocalyptic number.

152202222 is an abundant number, since it is smaller than the sum of its proper divisors (177569298).

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

152202222 is a wasteful number, since it uses less digits than its factorization.

152202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8455687 (or 8455684 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 152202222 is about 12337.0264650766. The cubic root of 152202222 is about 533.9168957070.

Adding to 152202222 its reverse (222202251), we get a palindrome (374404473).

The spelling of 152202222 in words is "one hundred fifty-two million, two hundred two thousand, two hundred twenty-two".