22122420365 has 64 divisors (see below), whose sum is σ = 29314897920. Its totient is φ = 15961190400.

The previous prime is 22122420337. The next prime is 22122420373. The reversal of 22122420365 is 56302422122.

It is not a de Polignac number, because 22122420365 - 2¹² = 22122416269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43980704 + ... + 43981206.

It is an arithmetic number, because the mean of its divisors is an integer number (458045280).

Almost surely, 2^22122420365 is an apocalyptic number.

It is an amenable number.

22122420365 is a deficient number, since it is larger than the sum of its proper divisors (7192477555).

22122420365 is a wasteful number, since it uses less digits than its factorization.

22122420365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 22122420365 its reverse (56302422122), we get a palindrome (78424842487).

The spelling of 22122420365 in words is "twenty-two billion, one hundred twenty-two million, four hundred twenty thousand, three hundred sixty-five".