34223945 has 16 divisors (see below), whose sum is σ = 47042688. Its totient is φ = 23414400.

The previous prime is 34223923. The next prime is 34223957. The reversal of 34223945 is 54932243.

It is not a de Polignac number, because 34223945 - 2⁸ = 34223689 is a prime.

It is a super-2 number, since 2×34223945² = 2342556822726050, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20222 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (2940168).

Almost surely, 2^34223945 is an apocalyptic number.

34223945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34223945 is a deficient number, since it is larger than the sum of its proper divisors (12818743).

34223945 is a wasteful number, since it uses less digits than its factorization.

34223945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240.

The product of its digits is 25920, while the sum is 32.

The square root of 34223945 is about 5850.1235029698. The cubic root of 34223945 is about 324.6708936724.

The spelling of 34223945 in words is "thirty-four million, two hundred twenty-three thousand, nine hundred forty-five".