60221783 has 2 divisors, whose sum is σ = 60221784. Its totient is φ = 60221782.

The previous prime is 60221753. The next prime is 60221789. The reversal of 60221783 is 38712206.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60221783 - 2⁸ = 60221527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60221789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30110891 + 30110892.

It is an arithmetic number, because the mean of its divisors is an integer number (30110892).

Almost surely, 2^60221783 is an apocalyptic number.

60221783 is a deficient number, since it is larger than the sum of its proper divisors (1).

60221783 is an equidigital number, since it uses as much as digits as its factorization.

60221783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 60221783 is about 7760.2695185154. The cubic root of 60221783 is about 391.9685327198.

Adding to 60221783 its reverse (38712206), we get a palindrome (98933989).

The spelling of 60221783 in words is "sixty million, two hundred twenty-one thousand, seven hundred eighty-three".