948225691 has 4 divisors (see below), whose sum is σ = 1083686512. Its totient is φ = 812764872.

The previous prime is 948225683. The next prime is 948225697. The reversal of 948225691 is 196522849.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 948225691 - 2³ = 948225683 is a prime.

It is a super-2 number, since 2×948225691² = 1798263922144854962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948225697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67730400 + ... + 67730413.

It is an arithmetic number, because the mean of its divisors is an integer number (270921628).

Almost surely, 2^948225691 is an apocalyptic number.

948225691 is a deficient number, since it is larger than the sum of its proper divisors (135460821).

948225691 is a wasteful number, since it uses less digits than its factorization.

948225691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135460820.

The product of its digits is 311040, while the sum is 46.

The square root of 948225691 is about 30793.2734700291. The cubic root of 948225691 is about 982.4351804988.

The spelling of 948225691 in words is "nine hundred forty-eight million, two hundred twenty-five thousand, six hundred ninety-one".