22022252430240 has 96 divisors (see below), whose sum is σ = 70347138857856. Its totient is φ = 5789887953920.

The previous prime is 22022252430229. The next prime is 22022252430257. The reversal of 22022252430240 is 4203425222022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22022252430198 and 22022252430207.

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, 323062347 + ... + 323130506.

It is an arithmetic number, because the mean of its divisors is an integer number (732782696436).

Almost surely, 2^{22022252430240} is an apocalyptic number.

22022252430240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022252430240 is an abundant number, since it is smaller than the sum of its proper divisors (48324886427616).

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

22022252430240 is a wasteful number, since it uses less digits than its factorization.

22022252430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646192942 (or 646192934 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 22022252430240 its reverse (4203425222022), we get a palindrome (26225677652262).

The spelling of 22022252430240 in words is "twenty-two trillion, twenty-two billion, two hundred fifty-two million, four hundred thirty thousand, two hundred forty".