34220691 has 32 divisors (see below), whose sum is σ = 54700800. Its totient is φ = 21072960.

The previous prime is 34220687. The next prime is 34220699. The reversal of 34220691 is 19602243.

It is not a de Polignac number, because 34220691 - 2² = 34220687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34220699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20220 + ... + 21846.

It is an arithmetic number, because the mean of its divisors is an integer number (1709400).

Almost surely, 2^34220691 is an apocalyptic number.

34220691 is a deficient number, since it is larger than the sum of its proper divisors (20480109).

34220691 is a wasteful number, since it uses less digits than its factorization.

34220691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 34220691 is about 5849.8453825721. The cubic root of 34220691 is about 324.6606034835.

The spelling of 34220691 in words is "thirty-four million, two hundred twenty thousand, six hundred ninety-one".