34223140 has 24 divisors (see below), whose sum is σ = 82135872. Its totient is φ = 11733600.

The previous prime is 34223099. The next prime is 34223153. The reversal of 34223140 is 4132243.

It is a super-2 number, since 2×34223140² = 2342446622919200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122086 + ... + 122365.

It is an arithmetic number, because the mean of its divisors is an integer number (3422328).

Almost surely, 2^34223140 is an apocalyptic number.

It is an amenable number.

34223140 is an abundant number, since it is smaller than the sum of its proper divisors (47912732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34223140 is a wasteful number, since it uses less digits than its factorization.

34223140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244467 (or 244465 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 34223140 is about 5850.0547005990. The cubic root of 34223140 is about 324.6683480656.

Adding to 34223140 its reverse (4132243), we get a palindrome (38355383).

The spelling of 34223140 in words is "thirty-four million, two hundred twenty-three thousand, one hundred forty".