1772994225 has 12 divisors (see below), whose sum is σ = 2931350576. Its totient is φ = 945596880.

The previous prime is 1772994221. The next prime is 1772994233. The reversal of 1772994225 is 5224992771.

It is not a de Polignac number, because 1772994225 - 2² = 1772994221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1772994221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11819887 + ... + 11820036.

Almost surely, 2^1772994225 is an apocalyptic number.

1772994225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1772994225 is a deficient number, since it is larger than the sum of its proper divisors (1158356351).

1772994225 is a wasteful number, since it uses less digits than its factorization.

1772994225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23639936 (or 23639931 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 1772994225 is about 42106.9379675131. The cubic root of 1772994225 is about 1210.3262160308.

The spelling of 1772994225 in words is "one billion, seven hundred seventy-two million, nine hundred ninety-four thousand, two hundred twenty-five".