19220741 has 2 divisors, whose sum is σ = 19220742. Its totient is φ = 19220740.

The previous prime is 19220711. The next prime is 19220743. The reversal of 19220741 is 14702291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17056900 + 2163841 = 4130^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 19220741 - 2¹⁴ = 19204357 is a prime.

Together with 19220743, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 19220741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19220743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9610370 + 9610371.

It is an arithmetic number, because the mean of its divisors is an integer number (9610371).

Almost surely, 2^19220741 is an apocalyptic number.

It is an amenable number.

19220741 is a deficient number, since it is larger than the sum of its proper divisors (1).

19220741 is an equidigital number, since it uses as much as digits as its factorization.

19220741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 19220741 is about 4384.1465532074. The cubic root of 19220741 is about 267.8695669226.

The spelling of 19220741 in words is "nineteen million, two hundred twenty thousand, seven hundred forty-one".