345542222 has 16 divisors (see below), whose sum is σ = 524471760. Its totient is φ = 170730048.

The previous prime is 345542147. The next prime is 345542243. The reversal of 345542222 is 222245543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59993 + ... + 65499.

It is an arithmetic number, because the mean of its divisors is an integer number (32779485).

Almost surely, 2^345542222 is an apocalyptic number.

345542222 is a deficient number, since it is larger than the sum of its proper divisors (178929538).

345542222 is a wasteful number, since it uses less digits than its factorization.

345542222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875.

The product of its digits is 19200, while the sum is 29.

The square root of 345542222 is about 18588.7660160646. The cubic root of 345542222 is about 701.7251476080.

Adding to 345542222 its reverse (222245543), we get a palindrome (567787765).

The spelling of 345542222 in words is "three hundred forty-five million, five hundred forty-two thousand, two hundred twenty-two".