2991226234 has 4 divisors (see below), whose sum is σ = 4486839354. Its totient is φ = 1495613116.

The previous prime is 2991226229. The next prime is 2991226267. The reversal of 2991226234 is 4326221992.

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., 2710764225 + 280462009 = 52065^2 + 16747^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747806557 + ... + 747806560.

Almost surely, 2^2991226234 is an apocalyptic number.

2991226234 is a deficient number, since it is larger than the sum of its proper divisors (1495613120).

2991226234 is a wasteful number, since it uses less digits than its factorization.

2991226234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495613119.

The product of its digits is 93312, while the sum is 40.

The square root of 2991226234 is about 54692.1039456337. The cubic root of 2991226234 is about 1440.8422018405.

The spelling of 2991226234 in words is "two billion, nine hundred ninety-one million, two hundred twenty-six thousand, two hundred thirty-four".