22201051252 has 12 divisors (see below), whose sum is σ = 38853182116. Its totient is φ = 11100142080.

The previous prime is 22201051219. The next prime is 22201051259. The reversal of 22201051252 is 25215010222.

It can be written as a sum of positive squares in 2 ways, for example, as 7122684816 + 15078366436 = 84396^2 + 122794^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201051259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63958 + ... + 220210.

Almost surely, 2^22201051252 is an apocalyptic number.

It is an amenable number.

22201051252 is a deficient number, since it is larger than the sum of its proper divisors (16652130864).

22201051252 is a wasteful number, since it uses less digits than its factorization.

22201051252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191778 (or 191776 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 22201051252 its reverse (25215010222), we get a palindrome (47416061474).

The spelling of 22201051252 in words is "twenty-two billion, two hundred one million, fifty-one thousand, two hundred fifty-two".