201899222 has 8 divisors (see below), whose sum is σ = 346112976. Its totient is φ = 86528232.

The previous prime is 201899219. The next prime is 201899251. The reversal of 201899222 is 222998102.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7210673 + ... + 7210700.

It is an arithmetic number, because the mean of its divisors is an integer number (43264122).

Almost surely, 2^201899222 is an apocalyptic number.

201899222 is a deficient number, since it is larger than the sum of its proper divisors (144213754).

201899222 is a wasteful number, since it uses less digits than its factorization.

201899222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14421382.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 201899222 is about 14209.1246035778. The cubic root of 201899222 is about 586.6488384877.

The spelling of 201899222 in words is "two hundred one million, eight hundred ninety-nine thousand, two hundred twenty-two".