1825220147 has 8 divisors (see below), whose sum is σ = 1934243712. Its totient is φ = 1716380800.

The previous prime is 1825220087. The next prime is 1825220153. The reversal of 1825220147 is 7410225281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1825220147 - 2¹² = 1825216051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1825225147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25379 + ... + 65532.

It is an arithmetic number, because the mean of its divisors is an integer number (241780464).

Almost surely, 2^1825220147 is an apocalyptic number.

1825220147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1825220147 is a deficient number, since it is larger than the sum of its proper divisors (109023565).

1825220147 is a wasteful number, since it uses less digits than its factorization.

1825220147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92109.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1825220147 is about 42722.5952746319. The cubic root of 1825220147 is about 1222.0953303107.

The spelling of 1825220147 in words is "one billion, eight hundred twenty-five million, two hundred twenty thousand, one hundred forty-seven".