22502224012440 has 64 divisors (see below), whose sum is σ = 68320005465600. Its totient is φ = 5928296765312.

The previous prime is 22502224012409. The next prime is 22502224012441. The reversal of 22502224012440 is 4421042220522.

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 = 22502224012398 and 22502224012407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22502224012441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129619760 + ... + 1129639679.

It is an arithmetic number, because the mean of its divisors is an integer number (1067500085400).

Almost surely, 2^{22502224012440} is an apocalyptic number.

22502224012440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22502224012440 is an abundant number, since it is smaller than the sum of its proper divisors (45817781453160).

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

22502224012440 is a wasteful number, since it uses less digits than its factorization.

22502224012440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259259536 (or 2259259532 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 22502224012440 its reverse (4421042220522), we get a palindrome (26923266232962).

The spelling of 22502224012440 in words is "twenty-two trillion, five hundred two billion, two hundred twenty-four million, twelve thousand, four hundred forty".