1125446222 has 4 divisors (see below), whose sum is σ = 1688169336. Its totient is φ = 562723110.

The previous prime is 1125446221. The next prime is 1125446243. The reversal of 1125446222 is 2226445211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2226445211 = 1811 ⋅1229401.

It is a super-2 number, since 2×1125446222² = 2533258397228146568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125446221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281361554 + ... + 281361557.

It is an arithmetic number, because the mean of its divisors is an integer number (422042334).

Almost surely, 2^1125446222 is an apocalyptic number.

1125446222 is a deficient number, since it is larger than the sum of its proper divisors (562723114).

1125446222 is an equidigital number, since it uses as much as digits as its factorization.

1125446222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562723113.

The product of its digits is 7680, while the sum is 29.

The square root of 1125446222 is about 33547.6708878575. The cubic root of 1125446222 is about 1040.1794013737.

The spelling of 1125446222 in words is "one billion, one hundred twenty-five million, four hundred forty-six thousand, two hundred twenty-two".