1890234222 has 8 divisors (see below), whose sum is σ = 3780468456. Its totient is φ = 630078072.

The previous prime is 1890234211. The next prime is 1890234253. The reversal of 1890234222 is 2224320981.

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

1890234222 is an admirable number.

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, 157519513 + ... + 157519524.

It is an arithmetic number, because the mean of its divisors is an integer number (472558557).

Almost surely, 2^1890234222 is an apocalyptic number.

1890234222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1890234222 is a wasteful number, since it uses less digits than its factorization.

1890234222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315039042.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1890234222 is about 43476.8239640386. The cubic root of 1890234222 is about 1236.4366616787.

The spelling of 1890234222 in words is "one billion, eight hundred ninety million, two hundred thirty-four thousand, two hundred twenty-two".