1244224092 has 24 divisors (see below), whose sum is σ = 2970706816. Its totient is φ = 405096048.

The previous prime is 1244224081. The next prime is 1244224109. The reversal of 1244224092 is 2904224421.

It is a super-2 number, since 2×1244224092² = 3096187182226448928, 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 7 ways as a sum of consecutive naturals, for example, 1205128 + ... + 1206159.

Almost surely, 2^1244224092 is an apocalyptic number.

1244224092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244224092 is an abundant number, since it is smaller than the sum of its proper divisors (1726482724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244224092 is a wasteful number, since it uses less digits than its factorization.

1244224092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411337 (or 2411335 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1244224092 is about 35273.5608069273. The cubic root of 1244224092 is about 1075.5556073618. Note that the first 3 decimals are identical.

The spelling of 1244224092 in words is "one billion, two hundred forty-four million, two hundred twenty-four thousand, ninety-two".