446220226642 has 32 divisors (see below), whose sum is σ = 728667684864. Its totient is φ = 204108249600.

The previous prime is 446220226513. The next prime is 446220226687. The reversal of 446220226642 is 246622022644.

It is a happy number.

It is a super-2 number, since 2×446220226642² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 446220226595 and 446220226604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212818 + ... + 968365.

It is an arithmetic number, because the mean of its divisors is an integer number (22770865152).

Almost surely, 2^446220226642 is an apocalyptic number.

446220226642 is a deficient number, since it is larger than the sum of its proper divisors (282447458222).

446220226642 is a wasteful number, since it uses less digits than its factorization.

446220226642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181514.

The product of its (nonzero) digits is 442368, while the sum is 40.

It can be divided in two parts, 4462202 and 26642, that added together give a palindrome (4488844).

The spelling of 446220226642 in words is "four hundred forty-six billion, two hundred twenty million, two hundred twenty-six thousand, six hundred forty-two".