522742245 has 16 divisors (see below), whose sum is σ = 850100352. Its totient is φ = 274224960.

The previous prime is 522742223. The next prime is 522742249. The reversal of 522742245 is 542247225.

It is not a de Polignac number, because 522742245 - 2¹² = 522738149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522742249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284737 + ... + 286566.

It is an arithmetic number, because the mean of its divisors is an integer number (53131272).

Almost surely, 2^522742245 is an apocalyptic number.

It is an amenable number.

522742245 is a deficient number, since it is larger than the sum of its proper divisors (327358107).

522742245 is a wasteful number, since it uses less digits than its factorization.

522742245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571372.

The product of its digits is 44800, while the sum is 33.

The square root of 522742245 is about 22863.5571379433. The cubic root of 522742245 is about 805.5562401756.

The spelling of 522742245 in words is "five hundred twenty-two million, seven hundred forty-two thousand, two hundred forty-five".