22222421342 has 16 divisors (see below), whose sum is σ = 36403138800. Its totient is φ = 10090218240.

The previous prime is 22222421327. The next prime is 22222421383. The reversal of 22222421342 is 24312422222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523217 + ... + 564092.

It is an arithmetic number, because the mean of its divisors is an integer number (2275196175).

Almost surely, 2^22222421342 is an apocalyptic number.

22222421342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222421342 is a deficient number, since it is larger than the sum of its proper divisors (14180717458).

22222421342 is a wasteful number, since it uses less digits than its factorization.

22222421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088251.

The product of its digits is 6144, while the sum is 26.

Adding to 22222421342 its reverse (24312422222), we get a palindrome (46534843564).

The spelling of 22222421342 in words is "twenty-two billion, two hundred twenty-two million, four hundred twenty-one thousand, three hundred forty-two".