4072226 has 4 divisors (see below), whose sum is σ = 6108342. Its totient is φ = 2036112.

The previous prime is 4072223. The next prime is 4072249. The reversal of 4072226 is 6222704.

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., 2512225 + 1560001 = 1585^2 + 1249^2 .

It is an Ulam number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4072223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018055 + ... + 1018058.

Almost surely, 2^4072226 is an apocalyptic number.

4072226 is a deficient number, since it is larger than the sum of its proper divisors (2036116).

4072226 is a wasteful number, since it uses less digits than its factorization.

4072226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036115.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4072226 is about 2017.9757183871. The cubic root of 4072226 is about 159.6898418589.

The spelling of 4072226 in words is "four million, seventy-two thousand, two hundred twenty-six".