1225016222 has 16 divisors (see below), whose sum is σ = 1938459600. Its totient is φ = 579003840.

The previous prime is 1225016197. The next prime is 1225016237. The reversal of 1225016222 is 2226105221.

It is a congruent number.

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, 17447 + ... + 52482.

It is an arithmetic number, because the mean of its divisors is an integer number (121153725).

Almost surely, 2^1225016222 is an apocalyptic number.

1225016222 is a deficient number, since it is larger than the sum of its proper divisors (713443378).

1225016222 is a wasteful number, since it uses less digits than its factorization.

1225016222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70411.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1225016222 is about 35000.2317420899. The cubic root of 1225016222 is about 1069.9922036291.

The spelling of 1225016222 in words is "one billion, two hundred twenty-five million, sixteen thousand, two hundred twenty-two".