1322222290 has 8 divisors (see below), whose sum is σ = 2380000140. Its totient is φ = 528888912.

The previous prime is 1322222263. The next prime is 1322222303. The reversal of 1322222290 is 922222231.

It can be written as a sum of positive squares in 2 ways, for example, as 1199167641 + 123054649 = 34629^2 + 11093^2 .

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

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, 66111105 + ... + 66111124.

Almost surely, 2^1322222290 is an apocalyptic number.

1322222290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322222290 is a deficient number, since it is larger than the sum of its proper divisors (1057777850).

1322222290 is a wasteful number, since it uses less digits than its factorization.

1322222290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132222236.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1322222290 is about 36362.3746474292. The cubic root of 1322222290 is about 1097.5765628584.

The spelling of 1322222290 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, two hundred ninety".