222521122254002 has 32 divisors (see below), whose sum is σ = 394766903966400. Its totient is φ = 92738891689920.

The previous prime is 222521122253987. The next prime is 222521122254017. The reversal of 222521122254002 is 200452221125222.

It is a happy number.

222521122254002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222521122253987) and next prime (222521122254017).

It is a self number, because there is not a number n which added to its sum of digits gives 222521122254002.

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, 2610849608 + ... + 2610934835.

It is an arithmetic number, because the mean of its divisors is an integer number (12336465748950).

Almost surely, 2^{222521122254002} is an apocalyptic number.

222521122254002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222521122254002 is a deficient number, since it is larger than the sum of its proper divisors (172245781712398).

222521122254002 is a wasteful number, since it uses less digits than its factorization.

222521122254002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221784618.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 222521122254002 its reverse (200452221125222), we get a palindrome (422973343379224).

The spelling of 222521122254002 in words is "two hundred twenty-two trillion, five hundred twenty-one billion, one hundred twenty-two million, two hundred fifty-four thousand, two".