1222774630 has 32 divisors (see below), whose sum is σ = 2744098560. Its totient is φ = 381124320.

The previous prime is 1222774627. The next prime is 1222774639. The reversal of 1222774630 is 364772221.

1222774630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222774639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793240 + ... + 794779.

It is an arithmetic number, because the mean of its divisors is an integer number (85753080).

Almost surely, 2^1222774630 is an apocalyptic number.

1222774630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222774630 is an abundant number, since it is smaller than the sum of its proper divisors (1521323930).

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

1222774630 is a wasteful number, since it uses less digits than its factorization.

1222774630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588044.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1222774630 is about 34968.1945487610. The cubic root of 1222774630 is about 1069.3391645472.

The spelling of 1222774630 in words is "one billion, two hundred twenty-two million, seven hundred seventy-four thousand, six hundred thirty".