245201522 has 16 divisors (see below), whose sum is σ = 374937120. Its totient is φ = 120232608.

The previous prime is 245201519. The next prime is 245201527. The reversal of 245201522 is 225102542.

It is a super-2 number, since 2×245201522² = 120247572782232968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245201527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51653 + ... + 56199.

It is an arithmetic number, because the mean of its divisors is an integer number (23433570).

Almost surely, 2^245201522 is an apocalyptic number.

245201522 is a deficient number, since it is larger than the sum of its proper divisors (129735598).

245201522 is a wasteful number, since it uses less digits than its factorization.

245201522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065.

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

The square root of 245201522 is about 15658.9119034497. The cubic root of 245201522 is about 625.9039906245.

The spelling of 245201522 in words is "two hundred forty-five million, two hundred one thousand, five hundred twenty-two".