1225562115 has 16 divisors (see below), whose sum is σ = 1961445888. Its totient is φ = 653450976.

The previous prime is 1225562077. The next prime is 1225562123. The reversal of 1225562115 is 5112655221.

It is not a de Polignac number, because 1225562115 - 2¹⁰ = 1225561091 is a prime.

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, 57792 + ... + 76098.

It is an arithmetic number, because the mean of its divisors is an integer number (122590368).

Almost surely, 2^1225562115 is an apocalyptic number.

1225562115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225562115 is a deficient number, since it is larger than the sum of its proper divisors (735883773).

1225562115 is a wasteful number, since it uses less digits than its factorization.

1225562115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22778.

The product of its digits is 6000, while the sum is 30.

The square root of 1225562115 is about 35008.0292932921. The cubic root of 1225562115 is about 1070.1511170384.

The spelling of 1225562115 in words is "one billion, two hundred twenty-five million, five hundred sixty-two thousand, one hundred fifteen".