1322106990 has 16 divisors (see below), whose sum is σ = 3173056848. Its totient is φ = 352561856.

The previous prime is 1322106959. The next prime is 1322107019. The reversal of 1322106990 is 996012231.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22035087 + ... + 22035146.

It is an arithmetic number, because the mean of its divisors is an integer number (198316053).

Almost surely, 2^1322106990 is an apocalyptic number.

1322106990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322106990 is an abundant number, since it is smaller than the sum of its proper divisors (1850949858).

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

1322106990 is a wasteful number, since it uses less digits than its factorization.

1322106990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44070243.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1322106990 is about 36360.7891828547. The cubic root of 1322106990 is about 1097.5446584256.

The spelling of 1322106990 in words is "one billion, three hundred twenty-two million, one hundred six thousand, nine hundred ninety".