4205872226 has 12 divisors (see below), whose sum is σ = 6458942502. Its totient is φ = 2054028816.

The previous prime is 4205872201. The next prime is 4205872249. The reversal of 4205872226 is 6222785024.

It can be written as a sum of positive squares in only one way, i.e., 2684794225 + 1521078001 = 51815^2 + 39001^2 .

It is a super-2 number, since 2×4205872226² = 35378722362876390152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4205872226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564971 + ... + 572366.

Almost surely, 2^4205872226 is an apocalyptic number.

4205872226 is a deficient number, since it is larger than the sum of its proper divisors (2253070276).

4205872226 is a wasteful number, since it uses less digits than its factorization.

4205872226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137425 (or 1137382 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 4205872226 is about 64852.6963664580. The cubic root of 4205872226 is about 1614.1802337644.

The spelling of 4205872226 in words is "four billion, two hundred five million, eight hundred seventy-two thousand, two hundred twenty-six".