1002200019 has 32 divisors (see below), whose sum is σ = 1404480000. Its totient is φ = 635019264.

The previous prime is 1002199987. The next prime is 1002200029. The reversal of 1002200019 is 9100022001.

It is a happy number.

It is not a de Polignac number, because 1002200019 - 2⁵ = 1002199987 is a prime.

It is a super-2 number, since 2×1002200019² = 2008809756167200722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002199980 and 1002200007.

It is not an unprimeable number, because it can be changed into a prime (1002200029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1302867 + ... + 1303635.

It is an arithmetic number, because the mean of its divisors is an integer number (43890000).

Almost surely, 2^1002200019 is an apocalyptic number.

1002200019 is a deficient number, since it is larger than the sum of its proper divisors (402279981).

1002200019 is a wasteful number, since it uses less digits than its factorization.

1002200019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1002200019 is about 31657.5428452683. The cubic root of 1002200019 is about 1000.7328025359.

The spelling of 1002200019 in words is "one billion, two million, two hundred thousand, nineteen".