22251122403 has 8 divisors (see below), whose sum is σ = 29668977408. Its totient is φ = 14833674504.

The previous prime is 22251122389. The next prime is 22251122431. The reversal of 22251122403 is 30422115222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22251122403 - 2¹⁸ = 22250860259 is a prime.

It is a super-2 number, since 2×22251122403² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22251122483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64626 + ... + 220632.

It is an arithmetic number, because the mean of its divisors is an integer number (3708622176).

Almost surely, 2^22251122403 is an apocalyptic number.

22251122403 is a deficient number, since it is larger than the sum of its proper divisors (7417855005).

22251122403 is a wasteful number, since it uses less digits than its factorization.

22251122403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203553.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22251122403 its reverse (30422115222), we get a palindrome (52673237625).

The spelling of 22251122403 in words is "twenty-two billion, two hundred fifty-one million, one hundred twenty-two thousand, four hundred three".