420222147401 has 4 divisors (see below), whose sum is σ = 480253882752. Its totient is φ = 360190412052.

The previous prime is 420222147377. The next prime is 420222147403. The reversal of 420222147401 is 104741222024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420222147401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420222147403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30015867665 + ... + 30015867678.

It is an arithmetic number, because the mean of its divisors is an integer number (120063470688).

Almost surely, 2^420222147401 is an apocalyptic number.

It is an amenable number.

420222147401 is a deficient number, since it is larger than the sum of its proper divisors (60031735351).

420222147401 is an equidigital number, since it uses as much as digits as its factorization.

420222147401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60031735350.

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 420222147401 its reverse (104741222024), we get a palindrome (524963369425).

The spelling of 420222147401 in words is "four hundred twenty billion, two hundred twenty-two million, one hundred forty-seven thousand, four hundred one".