1876189225 has 9 divisors (see below), whose sum is σ = 2326743223. Its totient is φ = 1500778120.

The previous prime is 1876189213. The next prime is 1876189243. The reversal of 1876189225 is 5229816781.

It is a happy number.

The square root of 1876189225 is 43315.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 675428121 + 1200761104 = 25989^2 + 34652^2 .

It is not a de Polignac number, because 1876189225 - 2¹⁹ = 1875664937 is a prime.

It is a super-2 number, since 2×1876189225² = 7040172016012201250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 212244 + ... + 220906.

Almost surely, 2^1876189225 is an apocalyptic number.

1876189225 is the 43315-th square number.

1876189225 is the 21658-th centered octagonal number.

It is an amenable number.

1876189225 is a deficient number, since it is larger than the sum of its proper divisors (450553998).

1876189225 is an frugal number, since it uses more digits than its factorization.

1876189225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17336 (or 8668 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The cubic root of 1876189225 is about 1233.3666826061.

Multiplying 1876189225 by its sum of digits (49), we get a square (91933272025 = 303205²).

The spelling of 1876189225 in words is "one billion, eight hundred seventy-six million, one hundred eighty-nine thousand, two hundred twenty-five".