125555222 has 8 divisors (see below), whose sum is σ = 202820016. Its totient is φ = 57948552.

The previous prime is 125555219. The next prime is 125555231. The reversal of 125555222 is 222555521.

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

It is a super-2 number, since 2×125555222² = 31528227542938568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414498 + ... + 2414549.

It is an arithmetic number, because the mean of its divisors is an integer number (25352502).

Almost surely, 2^125555222 is an apocalyptic number.

125555222 is a deficient number, since it is larger than the sum of its proper divisors (77264794).

125555222 is a wasteful number, since it uses less digits than its factorization.

125555222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829062.

The product of its digits is 10000, while the sum is 29.

The square root of 125555222 is about 11205.1426586189. The cubic root of 125555222 is about 500.7392026204.

The spelling of 125555222 in words is "one hundred twenty-five million, five hundred fifty-five thousand, two hundred twenty-two".