345015422 has 4 divisors (see below), whose sum is σ = 517523136. Its totient is φ = 172507710.

The previous prime is 345015413. The next prime is 345015427. The reversal of 345015422 is 224510543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 345015391 and 345015400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345015427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86253854 + ... + 86253857.

It is an arithmetic number, because the mean of its divisors is an integer number (129380784).

Almost surely, 2^345015422 is an apocalyptic number.

345015422 is a deficient number, since it is larger than the sum of its proper divisors (172507714).

345015422 is a wasteful number, since it uses less digits than its factorization.

345015422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172507713.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 345015422 is about 18574.5907626521. The cubic root of 345015422 is about 701.3683587659.

Adding to 345015422 its reverse (224510543), we get a palindrome (569525965).

The spelling of 345015422 in words is "three hundred forty-five million, fifteen thousand, four hundred twenty-two".