1222094590 has 8 divisors (see below), whose sum is σ = 2199770280. Its totient is φ = 488837832.

The previous prime is 1222094569. The next prime is 1222094603. The reversal of 1222094590 is 954902221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61104720 + ... + 61104739.

It is an arithmetic number, because the mean of its divisors is an integer number (274971285).

Almost surely, 2^1222094590 is an apocalyptic number.

1222094590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222094590 is a deficient number, since it is larger than the sum of its proper divisors (977675690).

1222094590 is a wasteful number, since it uses less digits than its factorization.

1222094590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122209466.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1222094590 is about 34958.4695031118. The cubic root of 1222094590 is about 1069.1408919090.

The spelling of 1222094590 in words is "one billion, two hundred twenty-two million, ninety-four thousand, five hundred ninety".