1922002002 has 24 divisors (see below), whose sum is σ = 4171577436. Its totient is φ = 639553536.

The previous prime is 1922001979. The next prime is 1922002013. The reversal of 1922002002 is 2002002291.

1922002002 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1816549641 + 105452361 = 42621^2 + 10269^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

1922002002 is a modest number, since divided by 2002 gives 1922 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82143 + ... + 102914.

Almost surely, 2^1922002002 is an apocalyptic number.

1922002002 is an abundant number, since it is smaller than the sum of its proper divisors (2249575434).

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

1922002002 is a wasteful number, since it uses less digits than its factorization.

1922002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185642 (or 185639 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1922002002 is about 43840.6432662661. The cubic root of 1922002002 is about 1243.3248443830.

Adding to 1922002002 its reverse (2002002291), we get a palindrome (3924004293).

The spelling of 1922002002 in words is "one billion, nine hundred twenty-two million, two thousand, two".