420322001224 has 16 divisors (see below), whose sum is σ = 788167205100. Its totient is φ = 210144079872.

The previous prime is 420322001213. The next prime is 420322001249. The reversal of 420322001224 is 422100223024.

It can be written as a sum of positive squares in 2 ways, for example, as 411499156324 + 8822844900 = 641482^2 + 93930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420322001195 and 420322001204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009209 + ... + 2208520.

Almost surely, 2^420322001224 is an apocalyptic number.

It is an amenable number.

420322001224 is a deficient number, since it is larger than the sum of its proper divisors (367845203876).

420322001224 is a wasteful number, since it uses less digits than its factorization.

420322001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230192 (or 4230188 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 420322001224 its reverse (422100223024), we get a palindrome (842422224248).

The spelling of 420322001224 in words is "four hundred twenty billion, three hundred twenty-two million, one thousand, two hundred twenty-four".