2198802642 has 16 divisors (see below), whose sum is σ = 4400327712. Its totient is φ = 732480480.

The previous prime is 2198802601. The next prime is 2198802647. The reversal of 2198802642 is 2462088912.

It is a junction number, because it is equal to n+sod(n) for n = 2198802594 and 2198802603.

It is not an unprimeable number, because it can be changed into a prime (2198802647) 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, 102859 + ... + 122382.

It is an arithmetic number, because the mean of its divisors is an integer number (275020482).

Almost surely, 2^2198802642 is an apocalyptic number.

2198802642 is an abundant number, since it is smaller than the sum of its proper divisors (2201525070).

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

2198802642 is a wasteful number, since it uses less digits than its factorization.

2198802642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226873.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2198802642 is about 46891.3919818979. The cubic root of 2198802642 is about 1300.3554534913.

The spelling of 2198802642 in words is "two billion, one hundred ninety-eight million, eight hundred two thousand, six hundred forty-two".