420224001 has 8 divisors (see below), whose sum is σ = 560437920. Its totient is φ = 280079712.

The previous prime is 420223997. The next prime is 420224009. The reversal of 420224001 is 100422024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420224001 - 2² = 420223997 is a prime.

It is a super-2 number, since 2×420224001² = 353176422032896002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420224009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 29013.

It is an arithmetic number, because the mean of its divisors is an integer number (70054740).

Almost surely, 2^420224001 is an apocalyptic number.

It is an amenable number.

420224001 is a deficient number, since it is larger than the sum of its proper divisors (140213919).

420224001 is a wasteful number, since it uses less digits than its factorization.

420224001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34815.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 420224001 is about 20499.3658682409. The cubic root of 420224001 is about 749.0203511636.

Adding to 420224001 its reverse (100422024), we get a palindrome (520646025).

It can be divided in two parts, 4202 and 24001, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 420224001 in words is "four hundred twenty million, two hundred twenty-four thousand, one".