2190386122 has 16 divisors (see below), whose sum is σ = 3317265000. Its totient is φ = 1084674240.

The previous prime is 2190386119. The next prime is 2190386123. The reversal of 2190386122 is 2216830912.

It can be written as a sum of positive squares in 4 ways, for example, as 2149156881 + 41229241 = 46359^2 + 6421^2 .

It is not an unprimeable number, because it can be changed into a prime (2190386123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93472 + ... + 114532.

Almost surely, 2^2190386122 is an apocalyptic number.

2190386122 is a deficient number, since it is larger than the sum of its proper divisors (1126878878).

2190386122 is a wasteful number, since it uses less digits than its factorization.

2190386122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21561.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2190386122 is about 46801.5611064417. The cubic root of 2190386122 is about 1298.6941763397.

The spelling of 2190386122 in words is "two billion, one hundred ninety million, three hundred eighty-six thousand, one hundred twenty-two".