1222290734 has 8 divisors (see below), whose sum is σ = 2095355568. Its totient is φ = 523838880.

The previous prime is 1222290731. The next prime is 1222290763. The reversal of 1222290734 is 4370922221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1222290734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222290731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43653227 + ... + 43653254.

It is an arithmetic number, because the mean of its divisors is an integer number (261919446).

Almost surely, 2^1222290734 is an apocalyptic number.

1222290734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1222290734 is a deficient number, since it is larger than the sum of its proper divisors (873064834).

1222290734 is an equidigital number, since it uses as much as digits as its factorization.

1222290734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87306490.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1222290734 is about 34961.2747765295. The cubic root of 1222290734 is about 1069.1980872507.

The spelling of 1222290734 in words is "one billion, two hundred twenty-two million, two hundred ninety thousand, seven hundred thirty-four".