401020022 has 16 divisors (see below), whose sum is σ = 649450032. Its totient is φ = 184615200.

The previous prime is 401020007. The next prime is 401020031. The reversal of 401020022 is 220020104.

It is a junction number, because it is equal to n+sod(n) for n = 401019985 and 401020012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9104 + ... + 29747.

It is an arithmetic number, because the mean of its divisors is an integer number (40590627).

Almost surely, 2^401020022 is an apocalyptic number.

401020022 is a deficient number, since it is larger than the sum of its proper divisors (248430010).

401020022 is a wasteful number, since it uses less digits than its factorization.

401020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39263.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 401020022 is about 20025.4843137438. The cubic root of 401020022 is about 737.4320669784.

Adding to 401020022 its reverse (220020104), we get a palindrome (621040126).

The spelling of 401020022 in words is "four hundred one million, twenty thousand, twenty-two".