2212150247 has 4 divisors (see below), whose sum is σ = 2288431320. Its totient is φ = 2135869176.

The previous prime is 2212150243. The next prime is 2212150271. The reversal of 2212150247 is 7420512122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2212150247 - 2² = 2212150243 is a prime.

It is a super-2 number, since 2×2212150247² = 9787217430604322018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212150243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38140493 + ... + 38140550.

It is an arithmetic number, because the mean of its divisors is an integer number (572107830).

Almost surely, 2^2212150247 is an apocalyptic number.

2212150247 is a deficient number, since it is larger than the sum of its proper divisors (76281073).

2212150247 is an equidigital number, since it uses as much as digits as its factorization.

2212150247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76281072.

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

The square root of 2212150247 is about 47033.5013261824. The cubic root of 2212150247 is about 1302.9813718040.

Adding to 2212150247 its reverse (7420512122), we get a palindrome (9632662369).

The spelling of 2212150247 in words is "two billion, two hundred twelve million, one hundred fifty thousand, two hundred forty-seven".