100552225 has 12 divisors (see below), whose sum is σ = 126799920. Its totient is φ = 79077200.

The previous prime is 100552219. The next prime is 100552253. The reversal of 100552225 is 522255001.

It is not a de Polignac number, because 100552225 - 2⁹ = 100551713 is a prime.

It is a super-2 number, since 2×100552225² = 20221499904901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100552196 and 100552205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32611 + ... + 35560.

It is an arithmetic number, because the mean of its divisors is an integer number (10566660).

Almost surely, 2^100552225 is an apocalyptic number.

It is an amenable number.

100552225 is a deficient number, since it is larger than the sum of its proper divisors (26247695).

100552225 is an equidigital number, since it uses as much as digits as its factorization.

100552225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68240 (or 68235 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 100552225 is about 10027.5732358333. The cubic root of 100552225 is about 465.0117158955.

The spelling of 100552225 in words is "one hundred million, five hundred fifty-two thousand, two hundred twenty-five".