420001210222 has 24 divisors (see below), whose sum is σ = 693284090688. Its totient is φ = 190688329920.

The previous prime is 420001210217. The next prime is 420001210229. The reversal of 420001210222 is 222012100024.

It is a junction number, because it is equal to n+sod(n) for n = 420001210196 and 420001210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420001210229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796683 + ... + 1214374.

It is an arithmetic number, because the mean of its divisors is an integer number (28886837112).

Almost surely, 2^420001210222 is an apocalyptic number.

420001210222 is a deficient number, since it is larger than the sum of its proper divisors (273282880466).

420001210222 is a wasteful number, since it uses less digits than its factorization.

420001210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011944 (or 2011933 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 420001210222 its reverse (222012100024), we get a palindrome (642013310246).

The spelling of 420001210222 in words is "four hundred twenty billion, one million, two hundred ten thousand, two hundred twenty-two".