1222555134 has 32 divisors (see below), whose sum is σ = 2494416384. Its totient is φ = 399320480.

The previous prime is 1222555129. The next prime is 1222555141. The reversal of 1222555134 is 4315552221.

It is a congruent number.

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, 310639 + ... + 314549.

It is an arithmetic number, because the mean of its divisors is an integer number (77950512).

Almost surely, 2^1222555134 is an apocalyptic number.

1222555134 is an abundant number, since it is smaller than the sum of its proper divisors (1271861250).

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

1222555134 is a wasteful number, since it uses less digits than its factorization.

1222555134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952.

The product of its digits is 12000, while the sum is 30.

The square root of 1222555134 is about 34965.0558987112. The cubic root of 1222555134 is about 1069.2751762730.

The spelling of 1222555134 in words is "one billion, two hundred twenty-two million, five hundred fifty-five thousand, one hundred thirty-four".