422400022 has 32 divisors (see below), whose sum is σ = 719759520. Its totient is φ = 184154880.

The previous prime is 422399981. The next prime is 422400047. The reversal of 422400022 is 220004224.

It is a junction number, because it is equal to n+sod(n) for n = 422399969 and 422400005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98058 + ... + 102274.

It is an arithmetic number, because the mean of its divisors is an integer number (22492485).

Almost surely, 2^422400022 is an apocalyptic number.

422400022 is a deficient number, since it is larger than the sum of its proper divisors (297359498).

422400022 is a wasteful number, since it uses less digits than its factorization.

422400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 422400022 is about 20552.3726610822. The cubic root of 422400022 is about 750.3109951730.

Adding to 422400022 its reverse (220004224), we get a palindrome (642404246).

The spelling of 422400022 in words is "four hundred twenty-two million, four hundred thousand, twenty-two".