22064022442 has 32 divisors (see below), whose sum is σ = 42140528640. Its totient is φ = 8413468080.

The previous prime is 22064022437. The next prime is 22064022457. The reversal of 22064022442 is 24422046022.

It is a self number, because there is not a number n which added to its sum of digits gives 22064022442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516942 + ... + 1531417.

It is an arithmetic number, because the mean of its divisors is an integer number (1316891520).

Almost surely, 2^22064022442 is an apocalyptic number.

22064022442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22064022442 is a deficient number, since it is larger than the sum of its proper divisors (20076506198).

22064022442 is a wasteful number, since it uses less digits than its factorization.

22064022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048426.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22064022442 its reverse (24422046022), we get a palindrome (46486068464).

The spelling of 22064022442 in words is "twenty-two billion, sixty-four million, twenty-two thousand, four hundred forty-two".