401140022 has 8 divisors (see below), whose sum is σ = 603415656. Its totient is φ = 200001472.

The previous prime is 401140013. The next prime is 401140049. The reversal of 401140022 is 220041104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×401140022⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401139979 and 401140006.

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 3 ways as a sum of consecutive naturals, for example, 283388 + ... + 284799.

It is an arithmetic number, because the mean of its divisors is an integer number (75426957).

Almost surely, 2^401140022 is an apocalyptic number.

401140022 is a deficient number, since it is larger than the sum of its proper divisors (202275634).

401140022 is a wasteful number, since it uses less digits than its factorization.

401140022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568542.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 401140022 is about 20028.4802718529. The cubic root of 401140022 is about 737.5056152785.

Adding to 401140022 its reverse (220041104), we get a palindrome (621181126).

The spelling of 401140022 in words is "four hundred one million, one hundred forty thousand, twenty-two".