61422019 has 2 divisors, whose sum is σ = 61422020. Its totient is φ = 61422018.

The previous prime is 61422007. The next prime is 61422077. The reversal of 61422019 is 91022416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61422019 - 2¹⁹ = 60897731 is a prime.

It is a super-2 number, since 2×61422019² = 7545328836072722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61421984 and 61422002.

It is not a weakly prime, because it can be changed into another prime (61462019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30711009 + 30711010.

It is an arithmetic number, because the mean of its divisors is an integer number (30711010).

Almost surely, 2^61422019 is an apocalyptic number.

61422019 is a deficient number, since it is larger than the sum of its proper divisors (1).

61422019 is an equidigital number, since it uses as much as digits as its factorization.

61422019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 61422019 is about 7837.2201066450. The cubic root of 61422019 is about 394.5554342488. Note that the first 3 decimals are identical.

The spelling of 61422019 in words is "sixty-one million, four hundred twenty-two thousand, nineteen".