2221342422 has 48 divisors (see below), whose sum is σ = 4825270800. Its totient is φ = 681422976.

The previous prime is 2221342411. The next prime is 2221342433. The reversal of 2221342422 is 2242431222.

It is an interprime number because it is at equal distance from previous prime (2221342411) and next prime (2221342433).

It is a junction number, because it is equal to n+sod(n) for n = 2221342392 and 2221342401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350748 + ... + 357024.

It is an arithmetic number, because the mean of its divisors is an integer number (100526475).

Almost surely, 2^2221342422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221342422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2412635400).

2221342422 is an abundant number, since it is smaller than the sum of its proper divisors (2603928378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221342422 is a wasteful number, since it uses less digits than its factorization.

2221342422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657 (or 6644 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 2221342422 is about 47131.1194647443. The cubic root of 2221342422 is about 1304.7836425864.

Adding to 2221342422 its reverse (2242431222), we get a palindrome (4463773644).

The spelling of 2221342422 in words is "two billion, two hundred twenty-one million, three hundred forty-two thousand, four hundred twenty-two".