222022502452 has 6 divisors (see below), whose sum is σ = 388539379298. Its totient is φ = 111011251224.

The previous prime is 222022502423. The next prime is 222022502459. The reversal of 222022502452 is 254205220222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 136754998416 + 85267504036 = 369804^2 + 292006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222022502452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022502459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752812803 + ... + 27752812810.

Almost surely, 2^222022502452 is an apocalyptic number.

It is an amenable number.

222022502452 is a deficient number, since it is larger than the sum of its proper divisors (166516876846).

222022502452 is a wasteful number, since it uses less digits than its factorization.

222022502452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55505625617 (or 55505625615 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 222022502452 its reverse (254205220222), we get a palindrome (476227722674).

The spelling of 222022502452 in words is "two hundred twenty-two billion, twenty-two million, five hundred two thousand, four hundred fifty-two".