4227997226 has 4 divisors (see below), whose sum is σ = 6341995842. Its totient is φ = 2113998612.

The previous prime is 4227997219. The next prime is 4227997229. The reversal of 4227997226 is 6227997224.

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

It can be written as a sum of positive squares in only one way, i.e., 3200730625 + 1027266601 = 56575^2 + 32051^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4227997229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056999305 + ... + 1056999308.

Almost surely, 2^4227997226 is an apocalyptic number.

4227997226 is a deficient number, since it is larger than the sum of its proper divisors (2113998616).

4227997226 is a wasteful number, since it uses less digits than its factorization.

4227997226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113998615.

The product of its digits is 1524096, while the sum is 50.

The square root of 4227997226 is about 65023.0514971422. The cubic root of 4227997226 is about 1617.0057512053.

The spelling of 4227997226 in words is "four billion, two hundred twenty-seven million, nine hundred ninety-seven thousand, two hundred twenty-six".