240406022 has 4 divisors (see below), whose sum is σ = 360609036. Its totient is φ = 120203010.

The previous prime is 240406021. The next prime is 240406073. The reversal of 240406022 is 220604042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220604042 = 2 ⋅110302021.

It is a junction number, because it is equal to n+sod(n) for n = 240405985 and 240406003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240406021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101504 + ... + 60101507.

It is an arithmetic number, because the mean of its divisors is an integer number (90152259).

Almost surely, 2^240406022 is an apocalyptic number.

240406022 is a deficient number, since it is larger than the sum of its proper divisors (120203014).

240406022 is a wasteful number, since it uses less digits than its factorization.

240406022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120203013.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 240406022 is about 15505.0321508857. The cubic root of 240406022 is about 621.7967495188.

The spelling of 240406022 in words is "two hundred forty million, four hundred six thousand, twenty-two".