198435622 has 16 divisors (see below), whose sum is σ = 371100672. Its totient is φ = 77312520.

The previous prime is 198435617. The next prime is 198435637. The reversal of 198435622 is 226534891.

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, 644118 + ... + 644425.

It is an arithmetic number, because the mean of its divisors is an integer number (23193792).

Almost surely, 2^198435622 is an apocalyptic number.

198435622 is a deficient number, since it is larger than the sum of its proper divisors (172665050).

198435622 is a wasteful number, since it uses less digits than its factorization.

198435622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288563.

The product of its digits is 103680, while the sum is 40.

The square root of 198435622 is about 14086.7179286021. The cubic root of 198435622 is about 583.2747984439.

The spelling of 198435622 in words is "one hundred ninety-eight million, four hundred thirty-five thousand, six hundred twenty-two".