1225162162 has 16 divisors (see below), whose sum is σ = 2100851712. Its totient is φ = 524926080.

The previous prime is 1225162157. The next prime is 1225162187. The reversal of 1225162162 is 2612615221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225162162.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53487 + ... + 72877.

It is an arithmetic number, because the mean of its divisors is an integer number (131303232).

Almost surely, 2^1225162162 is an apocalyptic number.

1225162162 is a deficient number, since it is larger than the sum of its proper divisors (875689550).

1225162162 is a wasteful number, since it uses less digits than its factorization.

1225162162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23913.

The product of its digits is 2880, while the sum is 28.

The square root of 1225162162 is about 35002.3165233389. The cubic root of 1225162162 is about 1070.0346924437.

Adding to 1225162162 its reverse (2612615221), we get a palindrome (3837777383).

The spelling of 1225162162 in words is "one billion, two hundred twenty-five million, one hundred sixty-two thousand, one hundred sixty-two".