222251540013225 has 36 divisors (see below), whose sum is σ = 398400580369792. Its totient is φ = 118437863580000.

The previous prime is 222251540013197. The next prime is 222251540013229. The reversal of 222251540013225 is 522310045152222.

222251540013225 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 5 + 15 + 400 + 13 + 225 = 666.

It is not a de Polignac number, because 222251540013225 - 2¹¹ = 222251540011177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222251540013225.

It is not an unprimeable number, because it can be changed into a prime (222251540013229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 400935301 + ... + 401489250.

Almost surely, 2^{222251540013225} is an apocalyptic number.

222251540013225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222251540013225 is a deficient number, since it is larger than the sum of its proper divisors (176149040356567).

222251540013225 is a wasteful number, since it uses less digits than its factorization.

222251540013225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802425798 (or 802425790 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 222251540013225 its reverse (522310045152222), we get a palindrome (744561585165447).

The spelling of 222251540013225 in words is "two hundred twenty-two trillion, two hundred fifty-one billion, five hundred forty million, thirteen thousand, two hundred twenty-five".