1022521066 has 32 divisors (see below), whose sum is σ = 1863810432. Its totient is φ = 410711040.

The previous prime is 1022521057. The next prime is 1022521111. The reversal of 1022521066 is 6601252201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022521066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48445 + ... + 66271.

It is an arithmetic number, because the mean of its divisors is an integer number (58244076).

Almost surely, 2^1022521066 is an apocalyptic number.

1022521066 is a deficient number, since it is larger than the sum of its proper divisors (841289366).

1022521066 is a wasteful number, since it uses less digits than its factorization.

1022521066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18094.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1022521066 is about 31976.8833065388. The cubic root of 1022521066 is about 1007.4513613079.

Adding to 1022521066 its reverse (6601252201), we get a palindrome (7623773267).

The spelling of 1022521066 in words is "one billion, twenty-two million, five hundred twenty-one thousand, sixty-six".