422343340 has 24 divisors (see below), whose sum is σ = 891883440. Its totient is φ = 167992128.

The previous prime is 422343329. The next prime is 422343367. The reversal of 422343340 is 43343224.

422343340 = T₄₈₉ + T₄₉₀ + ... + T₁₃₈₃.

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, 55407 + ... + 62566.

It is an arithmetic number, because the mean of its divisors is an integer number (37161810).

Almost surely, 2^422343340 is an apocalyptic number.

It is an amenable number.

422343340 is an abundant number, since it is smaller than the sum of its proper divisors (469540100).

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

422343340 is a wasteful number, since it uses less digits than its factorization.

422343340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118161 (or 118159 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 422343340 is about 20550.9936499431. The cubic root of 422343340 is about 750.2774321773.

Adding to 422343340 its reverse (43343224), we get a palindrome (465686564).

The spelling of 422343340 in words is "four hundred twenty-two million, three hundred forty-three thousand, three hundred forty".