2221700019 has 48 divisors (see below), whose sum is σ = 3860984064. Its totient is φ = 1103889600.

The previous prime is 2221700003. The next prime is 2221700053. The reversal of 2221700019 is 9100071222.

2221700019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221700019 - 2⁴ = 2221700003 is a prime.

It is a super-2 number, since 2×2221700019² = 9871901948849200722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221700069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113109 + ... + 131289.

It is an arithmetic number, because the mean of its divisors is an integer number (80437168).

Almost surely, 2^2221700019 is an apocalyptic number.

2221700019 is a deficient number, since it is larger than the sum of its proper divisors (1639284045).

2221700019 is a wasteful number, since it uses less digits than its factorization.

2221700019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18248 (or 18225 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2221700019 is about 47134.9129520783. The cubic root of 2221700019 is about 1304.8536545570.

The spelling of 2221700019 in words is "two billion, two hundred twenty-one million, seven hundred thousand, nineteen".