1622061149 has 2 divisors, whose sum is σ = 1622061150. Its totient is φ = 1622061148.

The previous prime is 1622061109. The next prime is 1622061157. The reversal of 1622061149 is 9411602261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1564756249 + 57304900 = 39557^2 + 7570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622061149 - 2⁸ = 1622060893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622061109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811030574 + 811030575.

It is an arithmetic number, because the mean of its divisors is an integer number (811030575).

Almost surely, 2^1622061149 is an apocalyptic number.

It is an amenable number.

1622061149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622061149 is an equidigital number, since it uses as much as digits as its factorization.

1622061149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1622061149 is about 40274.8202851360. The cubic root of 1622061149 is about 1174.9581754239.

The spelling of 1622061149 in words is "one billion, six hundred twenty-two million, sixty-one thousand, one hundred forty-nine".