401042322 has 12 divisors (see below), whose sum is σ = 868925070. Its totient is φ = 133680768.

The previous prime is 401042309. The next prime is 401042339. The reversal of 401042322 is 223240104.

It can be written as a sum of positive squares in only one way, i.e., 400760361 + 281961 = 20019^2 + 531^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22280129 = 401042322 / (4 + 0 + 1 + 0 + 4 + 2 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 401042295 and 401042304.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11140047 + ... + 11140082.

Almost surely, 2^401042322 is an apocalyptic number.

401042322 is an abundant number, since it is smaller than the sum of its proper divisors (467882748).

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

401042322 is a wasteful number, since it uses less digits than its factorization.

401042322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280137 (or 22280134 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401042322 is about 20026.0410965323. The cubic root of 401042322 is about 737.4457358140.

Adding to 401042322 its reverse (223240104), we get a palindrome (624282426).

The spelling of 401042322 in words is "four hundred one million, forty-two thousand, three hundred twenty-two".