340420122 has 48 divisors (see below), whose sum is σ = 843972480. Its totient is φ = 97144416.

The previous prime is 340420081. The next prime is 340420123. The reversal of 340420122 is 221024043.

340420122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×340420122⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 340420095 and 340420104.

It is not an unprimeable number, because it can be changed into a prime (340420123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195568 + ... + 197300.

It is an arithmetic number, because the mean of its divisors is an integer number (17582760).

Almost surely, 2^340420122 is an apocalyptic number.

340420122 is an abundant number, since it is smaller than the sum of its proper divisors (503552358).

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

340420122 is a wasteful number, since it uses less digits than its factorization.

340420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 340420122 is about 18450.4775547952. The cubic root of 340420122 is about 698.2405623420.

Adding to 340420122 its reverse (221024043), we get a palindrome (561444165).

The spelling of 340420122 in words is "three hundred forty million, four hundred twenty thousand, one hundred twenty-two".