112219261 has 48 divisors (see below), whose sum is σ = 155328192. Its totient is φ = 79833600.

The previous prime is 112219259. The next prime is 112219267. The reversal of 112219261 is 162912211.

It is a happy number.

It is not a de Polignac number, because 112219261 - 2¹ = 112219259 is a prime.

It is a super-2 number, since 2×112219261² = 25186325078772242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112219267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 338866 + ... + 339196.

It is an arithmetic number, because the mean of its divisors is an integer number (3236004).

Almost surely, 2^112219261 is an apocalyptic number.

112219261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112219261 is a deficient number, since it is larger than the sum of its proper divisors (43108931).

112219261 is a wasteful number, since it uses less digits than its factorization.

112219261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 403 counting only the distinct ones).

The product of its digits is 432, while the sum is 25.

The square root of 112219261 is about 10593.3592877802. The cubic root of 112219261 is about 482.3428014843.

The spelling of 112219261 in words is "one hundred twelve million, two hundred nineteen thousand, two hundred sixty-one".