2219890122 has 12 divisors (see below), whose sum is σ = 4809761970. Its totient is φ = 739963368.

The previous prime is 2219890121. The next prime is 2219890133. The reversal of 2219890122 is 2210989122.

It can be written as a sum of positive squares in only one way, i.e., 2002652001 + 217238121 = 44751^2 + 14739^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2219890121) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 61663597 + ... + 61663632.

Almost surely, 2^2219890122 is an apocalyptic number.

2219890122 is an abundant number, since it is smaller than the sum of its proper divisors (2589871848).

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

2219890122 is a wasteful number, since it uses less digits than its factorization.

2219890122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123327237 (or 123327234 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2219890122 is about 47115.7099277937. The cubic root of 2219890122 is about 1304.4992274235.

The spelling of 2219890122 in words is "two billion, two hundred nineteen million, eight hundred ninety thousand, one hundred twenty-two".