401243622 has 32 divisors (see below), whose sum is σ = 915056352. Its totient is φ = 116196864.

The previous prime is 401243617. The next prime is 401243629. The reversal of 401243622 is 226342104.

It is a junction number, because it is equal to n+sod(n) for n = 401243592 and 401243601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401243629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149973 + ... + 152624.

It is an arithmetic number, because the mean of its divisors is an integer number (28595511).

Almost surely, 2^401243622 is an apocalyptic number.

401243622 is an abundant number, since it is smaller than the sum of its proper divisors (513812730).

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

401243622 is a wasteful number, since it uses less digits than its factorization.

401243622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302632.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 401243622 is about 20031.0664219357. The cubic root of 401243622 is about 737.5691001806.

Adding to 401243622 its reverse (226342104), we get a palindrome (627585726).

The spelling of 401243622 in words is "four hundred one million, two hundred forty-three thousand, six hundred twenty-two".