422222040 has 96 divisors (see below), whose sum is σ = 1431911520. Its totient is φ = 107695104.

The previous prime is 422221993. The next prime is 422222051. The reversal of 422222040 is 40222224.

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

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 23 ways as a sum of consecutive naturals, for example, 17217 + ... + 33776.

It is an arithmetic number, because the mean of its divisors is an integer number (14915745).

Almost surely, 2^422222040 is an apocalyptic number.

422222040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422222040 is an abundant number, since it is smaller than the sum of its proper divisors (1009689480).

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

422222040 is a wasteful number, since it uses less digits than its factorization.

422222040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51033 (or 51026 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 422222040 is about 20548.0422425106. The cubic root of 422222040 is about 750.2055969680.

Adding to 422222040 its reverse (40222224), we get a palindrome (462444264).

It can be divided in two parts, 4222 and 22040, that added together give a palindrome (26262).

The spelling of 422222040 in words is "four hundred twenty-two million, two hundred twenty-two thousand, forty".