22422340145 has 32 divisors (see below), whose sum is σ = 30126007296. Its totient is φ = 15939532800.

The previous prime is 22422340099. The next prime is 22422340163. The reversal of 22422340145 is 54104322422.

It is not a de Polignac number, because 22422340145 - 2¹⁸ = 22422078001 is a prime.

It is a super-2 number, since 2×22422340145² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4262 + ... + 211808.

It is an arithmetic number, because the mean of its divisors is an integer number (941437728).

Almost surely, 2^22422340145 is an apocalyptic number.

It is an amenable number.

22422340145 is a deficient number, since it is larger than the sum of its proper divisors (7703667151).

22422340145 is a wasteful number, since it uses less digits than its factorization.

22422340145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207641.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 22422340145 its reverse (54104322422), we get a palindrome (76526662567).

The spelling of 22422340145 in words is "twenty-two billion, four hundred twenty-two million, three hundred forty thousand, one hundred forty-five".