2220422431 has 4 divisors (see below), whose sum is σ = 2236630032. Its totient is φ = 2204214832.

The previous prime is 2220422353. The next prime is 2220422447. The reversal of 2220422431 is 1342240222.

2220422431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220422431 - 2¹³ = 2220414239 is a prime.

It is a super-2 number, since 2×2220422431² = 9860551544175899522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220422471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8103595 + ... + 8103868.

It is an arithmetic number, because the mean of its divisors is an integer number (559157508).

Almost surely, 2^2220422431 is an apocalyptic number.

2220422431 is a deficient number, since it is larger than the sum of its proper divisors (16207601).

2220422431 is a wasteful number, since it uses less digits than its factorization.

2220422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16207600.

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

The square root of 2220422431 is about 47121.3585436583. The cubic root of 2220422431 is about 1304.6034880168.

Adding to 2220422431 its reverse (1342240222), we get a palindrome (3562662653).

The spelling of 2220422431 in words is "two billion, two hundred twenty million, four hundred twenty-two thousand, four hundred thirty-one".