27222146202 has 32 divisors (see below), whose sum is σ = 56996577792. Its totient is φ = 8651239344.

The previous prime is 27222146141. The next prime is 27222146227. The reversal of 27222146202 is 20264122272.

It is a self number, because there is not a number n which added to its sum of digits gives 27222146202.

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, 278908 + ... + 363639.

It is an arithmetic number, because the mean of its divisors is an integer number (1781143056).

Almost surely, 2^27222146202 is an apocalyptic number.

27222146202 is an abundant number, since it is smaller than the sum of its proper divisors (29774431590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27222146202 is a wasteful number, since it uses less digits than its factorization.

27222146202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642882.

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 27222146202 its reverse (20264122272), we get a palindrome (47486268474).

The spelling of 27222146202 in words is "twenty-seven billion, two hundred twenty-two million, one hundred forty-six thousand, two hundred two".