1066225215 has 32 divisors (see below), whose sum is σ = 1874476800. Its totient is φ = 513227520.

The previous prime is 1066225187. The next prime is 1066225229. The reversal of 1066225215 is 5125226601.

It is not a de Polignac number, because 1066225215 - 2⁸ = 1066224959 is a prime.

It is a super-2 number, since 2×1066225215² = 2273672418203592450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310 + ... + 46179.

It is an arithmetic number, because the mean of its divisors is an integer number (58577400).

Almost surely, 2^1066225215 is an apocalyptic number.

1066225215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1066225215 is a deficient number, since it is larger than the sum of its proper divisors (808251585).

1066225215 is a wasteful number, since it uses less digits than its factorization.

1066225215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46647.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1066225215 is about 32653.1042169041. The cubic root of 1066225215 is about 1021.6049368352.

The spelling of 1066225215 in words is "one billion, sixty-six million, two hundred twenty-five thousand, two hundred fifteen".