401222043222 has 128 divisors (see below), whose sum is σ = 1106527177728. Its totient is φ = 93597120000.

The previous prime is 401222043191. The next prime is 401222043247. The reversal of 401222043222 is 222340222104.

It is a super-2 number, since 2×401222043222² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401222043192 and 401222043201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 680529 + ... + 1124972.

It is an arithmetic number, because the mean of its divisors is an integer number (8644743576).

Almost surely, 2^401222043222 is an apocalyptic number.

401222043222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

401222043222 is an abundant number, since it is smaller than the sum of its proper divisors (705305134506).

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

401222043222 is a wasteful number, since it uses less digits than its factorization.

401222043222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805574.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 401222043222 its reverse (222340222104), we get a palindrome (623562265326).

The spelling of 401222043222 in words is "four hundred one billion, two hundred twenty-two million, forty-three thousand, two hundred twenty-two".