2221150493 has 4 divisors (see below), whose sum is σ = 2228292768. Its totient is φ = 2214008220.

The previous prime is 2221150391. The next prime is 2221150499. The reversal of 2221150493 is 3940511222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221150493 - 2²⁶ = 2154041629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221150499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3570671 + ... + 3571292.

It is an arithmetic number, because the mean of its divisors is an integer number (557073192).

Almost surely, 2^2221150493 is an apocalyptic number.

It is an amenable number.

2221150493 is a deficient number, since it is larger than the sum of its proper divisors (7142275).

2221150493 is an equidigital number, since it uses as much as digits as its factorization.

2221150493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142274.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2221150493 is about 47129.0833032004. The cubic root of 2221150493 is about 1304.7460627532.

The spelling of 2221150493 in words is "two billion, two hundred twenty-one million, one hundred fifty thousand, four hundred ninety-three".