412021522 has 16 divisors (see below), whose sum is σ = 677948544. Its totient is φ = 186246000.

The previous prime is 412021507. The next prime is 412021541. The reversal of 412021522 is 225120214.

It is a self number, because there is not a number n which added to its sum of digits gives 412021522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47754 + ... + 55717.

It is an arithmetic number, because the mean of its divisors is an integer number (42371784).

Almost surely, 2^412021522 is an apocalyptic number.

412021522 is a deficient number, since it is larger than the sum of its proper divisors (265927022).

412021522 is a wasteful number, since it uses less digits than its factorization.

412021522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103665.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 412021522 is about 20298.3132796792. The cubic root of 412021522 is about 744.1148426125.

Adding to 412021522 its reverse (225120214), we get a palindrome (637141736).

It can be divided in two parts, 41202 and 1522, that added together give a palindrome (42724).

The spelling of 412021522 in words is "four hundred twelve million, twenty-one thousand, five hundred twenty-two".