2198139022 has 4 divisors (see below), whose sum is σ = 3297208536. Its totient is φ = 1099069510.

The previous prime is 2198139001. The next prime is 2198139029. The reversal of 2198139022 is 2209318912.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198139029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549534754 + ... + 549534757.

It is an arithmetic number, because the mean of its divisors is an integer number (824302134).

Almost surely, 2^2198139022 is an apocalyptic number.

2198139022 is a deficient number, since it is larger than the sum of its proper divisors (1099069514).

2198139022 is a wasteful number, since it uses less digits than its factorization.

2198139022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099069513.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 2198139022 is about 46884.3153090668. The cubic root of 2198139022 is about 1300.2246203584.

The spelling of 2198139022 in words is "two billion, one hundred ninety-eight million, one hundred thirty-nine thousand, twenty-two".