1066225115 has 24 divisors (see below), whose sum is σ = 1340251920. Its totient is φ = 813990528.

The previous prime is 1066225103. The next prime is 1066225117. The reversal of 1066225115 is 5115226601.

It is a happy number.

It is not a de Polignac number, because 1066225115 - 2⁶ = 1066225051 is a prime.

It is a super-2 number, since 2×1066225115² = 2273671991713526450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066225117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361316 + ... + 364254.

It is an arithmetic number, because the mean of its divisors is an integer number (55843830).

Almost surely, 2^1066225115 is an apocalyptic number.

1066225115 is a deficient number, since it is larger than the sum of its proper divisors (274026805).

1066225115 is an equidigital number, since it uses as much as digits as its factorization.

1066225115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1066225115 is about 32653.1026856561. The cubic root of 1066225115 is about 1021.6049048968.

The spelling of 1066225115 in words is "one billion, sixty-six million, two hundred twenty-five thousand, one hundred fifteen".