22423221024402 has 32 divisors (see below), whose sum is σ = 48933423480384. Its totient is φ = 6793522107200.

The previous prime is 22423221024377. The next prime is 22423221024461. The reversal of 22423221024402 is 20442012232422.

It is a happy number.

It is a super-2 number, since 2×22423221024402² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22423221024402.

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, 34509549 + ... + 35153312.

It is an arithmetic number, because the mean of its divisors is an integer number (1529169483762).

Almost surely, 2^{22423221024402} is an apocalyptic number.

22423221024402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22423221024402 is an abundant number, since it is smaller than the sum of its proper divisors (26510202455982).

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

22423221024402 is a wasteful number, since it uses less digits than its factorization.

22423221024402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69667754.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22423221024402 its reverse (20442012232422), we get a palindrome (42865233256824).

The spelling of 22423221024402 in words is "twenty-two trillion, four hundred twenty-three billion, two hundred twenty-one million, twenty-four thousand, four hundred two".