2197422019 has 16 divisors (see below), whose sum is σ = 2465295840. Its totient is φ = 1945347840.

The previous prime is 2197421999. The next prime is 2197422041. The reversal of 2197422019 is 9102247912.

It is a cyclic number.

It is not a de Polignac number, because 2197422019 - 2⁵ = 2197421987 is a prime.

It is a super-2 number, since 2×2197422019² = 9657327059172072722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197422319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3492 + ... + 66385.

It is an arithmetic number, because the mean of its divisors is an integer number (154080990).

Almost surely, 2^2197422019 is an apocalyptic number.

2197422019 is a deficient number, since it is larger than the sum of its proper divisors (267873821).

2197422019 is a wasteful number, since it uses less digits than its factorization.

2197422019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69990.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2197422019 is about 46876.6681729835. The cubic root of 2197422019 is about 1300.0832331324.

The spelling of 2197422019 in words is "two billion, one hundred ninety-seven million, four hundred twenty-two thousand, nineteen".