400220413022001 has 32 divisors (see below), whose sum is σ = 626925307438080. Its totient is φ = 223897168008000.

The previous prime is 400220413021997. The next prime is 400220413022029. The reversal of 400220413022001 is 100220314022004.

It is not a de Polignac number, because 400220413022001 - 2² = 400220413021997 is a prime.

It is a super-2 number, since 2×400220413022001² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400220413021001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36157620 + ... + 45910938.

It is an arithmetic number, because the mean of its divisors is an integer number (19591415857440).

Almost surely, 2^{400220413022001} is an apocalyptic number.

It is an amenable number.

400220413022001 is a deficient number, since it is larger than the sum of its proper divisors (226704894416079).

400220413022001 is a wasteful number, since it uses less digits than its factorization.

400220413022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848997.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 400220413022001 its reverse (100220314022004), we get a palindrome (500440727044005).

The spelling of 400220413022001 in words is "four hundred trillion, two hundred twenty billion, four hundred thirteen million, twenty-two thousand, one".