545222102 has 4 divisors (see below), whose sum is σ = 817833156. Its totient is φ = 272611050.

The previous prime is 545222071. The next prime is 545222143. The reversal of 545222102 is 201222545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201222545 = 5 ⋅40244509.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136305524 + ... + 136305527.

It is an arithmetic number, because the mean of its divisors is an integer number (204458289).

Almost surely, 2^545222102 is an apocalyptic number.

545222102 is a deficient number, since it is larger than the sum of its proper divisors (272611054).

545222102 is a wasteful number, since it uses less digits than its factorization.

545222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272611053.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 545222102 is about 23349.9914775145. The cubic root of 545222102 is about 816.9418620710.

Adding to 545222102 its reverse (201222545), we get a palindrome (746444647).

The spelling of 545222102 in words is "five hundred forty-five million, two hundred twenty-two thousand, one hundred two".