2226001138 has 4 divisors (see below), whose sum is σ = 3339001710. Its totient is φ = 1113000568.

The previous prime is 2226001133. The next prime is 2226001139. The reversal of 2226001138 is 8311006222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8311006222 = 2 ⋅4155503111.

It can be written as a sum of positive squares in only one way, i.e., 1829871729 + 396129409 = 42777^2 + 19903^2 .

It is not an unprimeable number, because it can be changed into a prime (2226001133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556500283 + ... + 556500286.

Almost surely, 2^2226001138 is an apocalyptic number.

2226001138 is a deficient number, since it is larger than the sum of its proper divisors (1113000572).

2226001138 is a wasteful number, since it uses less digits than its factorization.

2226001138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113000571.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2226001138 is about 47180.5165084063. The cubic root of 2226001138 is about 1305.6951592518.

The spelling of 2226001138 in words is "two billion, two hundred twenty-six million, one thousand, one hundred thirty-eight".