1352222990 has 16 divisors (see below), whose sum is σ = 2473904160. Its totient is φ = 532021920.

The previous prime is 1352222987. The next prime is 1352223023. The reversal of 1352222990 is 992222531.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1352222990.

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, 1107770 + ... + 1108989.

It is an arithmetic number, because the mean of its divisors is an integer number (154619010).

Almost surely, 2^1352222990 is an apocalyptic number.

1352222990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1352222990 is a deficient number, since it is larger than the sum of its proper divisors (1121681170).

1352222990 is a wasteful number, since it uses less digits than its factorization.

1352222990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216827.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1352222990 is about 36772.5847609330. The cubic root of 1352222990 is about 1105.8157513808.

The spelling of 1352222990 in words is "one billion, three hundred fifty-two million, two hundred twenty-two thousand, nine hundred ninety".