2221150247 has 2 divisors, whose sum is σ = 2221150248. Its totient is φ = 2221150246.

The previous prime is 2221150213. The next prime is 2221150259. The reversal of 2221150247 is 7420511222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221150247 is a prime.

It is a super-2 number, since 2×2221150247² = 9867016839496322018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221150747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110575123 + 1110575124.

It is an arithmetic number, because the mean of its divisors is an integer number (1110575124).

Almost surely, 2^2221150247 is an apocalyptic number.

2221150247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221150247 is an equidigital number, since it uses as much as digits as its factorization.

2221150247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2221150247 is about 47129.0806933469. The cubic root of 2221150247 is about 1304.7460145849.

Adding to 2221150247 its reverse (7420511222), we get a palindrome (9641661469).

The spelling of 2221150247 in words is "two billion, two hundred twenty-one million, one hundred fifty thousand, two hundred forty-seven".