1670227925 has 12 divisors (see below), whose sum is σ = 2101996416. Its totient is φ = 1316238000.

The previous prime is 1670227921. The next prime is 1670227931. The reversal of 1670227925 is 5297220761.

It is not a de Polignac number, because 1670227925 - 2² = 1670227921 is a prime.

It is a super-2 number, since 2×1670227925² = 5579322642899611250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670227921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496901 + ... + 500250.

It is an arithmetic number, because the mean of its divisors is an integer number (175166368).

Almost surely, 2^1670227925 is an apocalyptic number.

It is an amenable number.

1670227925 is a deficient number, since it is larger than the sum of its proper divisors (431768491).

1670227925 is an equidigital number, since it uses as much as digits as its factorization.

1670227925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997228 (or 997223 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1670227925 is about 40868.4221006880. The cubic root of 1670227925 is about 1186.4749684642.

The spelling of 1670227925 in words is "one billion, six hundred seventy million, two hundred twenty-seven thousand, nine hundred twenty-five".