34722131 has 4 divisors (see below), whose sum is σ = 34741200. Its totient is φ = 34703064.

The previous prime is 34722091. The next prime is 34722133. The reversal of 34722131 is 13122743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13122743 = 2063 ⋅6361.

It is a cyclic number.

It is not a de Polignac number, because 34722131 - 2⁶ = 34722067 is a prime.

It is a super-2 number, since 2×34722131² = 2411252762362322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34722097 and 34722106.

It is not an unprimeable number, because it can be changed into a prime (34722133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6476 + ... + 10553.

It is an arithmetic number, because the mean of its divisors is an integer number (8685300).

Almost surely, 2^34722131 is an apocalyptic number.

34722131 is a deficient number, since it is larger than the sum of its proper divisors (19069).

34722131 is a wasteful number, since it uses less digits than its factorization.

34722131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19068.

The product of its digits is 1008, while the sum is 23.

The square root of 34722131 is about 5892.5487694206. The cubic root of 34722131 is about 326.2386843988.

Adding to 34722131 its reverse (13122743), we get a palindrome (47844874).

The spelling of 34722131 in words is "thirty-four million, seven hundred twenty-two thousand, one hundred thirty-one".