401622321603 has 8 divisors (see below), whose sum is σ = 543488913088. Its totient is φ = 263751972264.

The previous prime is 401622321577. The next prime is 401622321629. The reversal of 401622321603 is 306123226104.

It is an interprime number because it is at equal distance from previous prime (401622321577) and next prime (401622321629).

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

It is not a de Polignac number, because 401622321603 - 2²⁸ = 401353886147 is a prime.

It is a super-2 number, since 2×401622321603² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401622321203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999060301 + ... + 999060702.

It is an arithmetic number, because the mean of its divisors is an integer number (67936114136).

Almost surely, 2^401622321603 is an apocalyptic number.

401622321603 is a deficient number, since it is larger than the sum of its proper divisors (141866591485).

401622321603 is a wasteful number, since it uses less digits than its factorization.

401622321603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998121073.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 401622321603 its reverse (306123226104), we get a palindrome (707745547707).

The spelling of 401622321603 in words is "four hundred one billion, six hundred twenty-two million, three hundred twenty-one thousand, six hundred three".