2210721134 has 4 divisors (see below), whose sum is σ = 3316081704. Its totient is φ = 1105360566.

The previous prime is 2210721119. The next prime is 2210721143. The reversal of 2210721134 is 4311270122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4311270122 = 2 ⋅2155635061.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552680282 + ... + 552680285.

It is an arithmetic number, because the mean of its divisors is an integer number (829020426).

Almost surely, 2^2210721134 is an apocalyptic number.

2210721134 is a deficient number, since it is larger than the sum of its proper divisors (1105360570).

2210721134 is a wasteful number, since it uses less digits than its factorization.

2210721134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105360569.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2210721134 is about 47018.3063710296. The cubic root of 2210721134 is about 1302.7007234837.

Adding to 2210721134 its reverse (4311270122), we get a palindrome (6521991256).

The spelling of 2210721134 in words is "two billion, two hundred ten million, seven hundred twenty-one thousand, one hundred thirty-four".