2722619 has 2 divisors, whose sum is σ = 2722620. Its totient is φ = 2722618.

The previous prime is 2722591. The next prime is 2722639. The reversal of 2722619 is 9162272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2722619 - 2¹² = 2718523 is a prime.

It is a super-2 number, since 2×2722619² = 14825308438322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2722591 and 2722600.

It is not a weakly prime, because it can be changed into another prime (2722639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361309 + 1361310.

It is an arithmetic number, because the mean of its divisors is an integer number (1361310).

2^2722619 is an apocalyptic number.

2722619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722619 is an equidigital number, since it uses as much as digits as its factorization.

2722619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 2722619 is about 1650.0360602120. The cubic root of 2722619 is about 139.6354290036.

The spelling of 2722619 in words is "two million, seven hundred twenty-two thousand, six hundred nineteen".