22225503747 has 16 divisors (see below), whose sum is σ = 29742525440. Its totient is φ = 14762800800.

The previous prime is 22225503743. The next prime is 22225503757. The reversal of 22225503747 is 74730552222.

It is not a de Polignac number, because 22225503747 - 2² = 22225503743 is a prime.

It is a super-2 number, since 2×22225503747² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22225503743) 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, 1770222 + ... + 1782732.

It is an arithmetic number, because the mean of its divisors is an integer number (1858907840).

Almost surely, 2^22225503747 is an apocalyptic number.

22225503747 is a deficient number, since it is larger than the sum of its proper divisors (7517021693).

22225503747 is a wasteful number, since it uses less digits than its factorization.

22225503747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14634.

The product of its (nonzero) digits is 235200, while the sum is 39.

The spelling of 22225503747 in words is "twenty-two billion, two hundred twenty-five million, five hundred three thousand, seven hundred forty-seven".