1122440272 has 40 divisors (see below), whose sum is σ = 2248731072. Its totient is φ = 542380800.

The previous prime is 1122440269. The next prime is 1122440279. The reversal of 1122440272 is 2720442211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122440279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62197 + ... + 78187.

Almost surely, 2^1122440272 is an apocalyptic number.

It is an amenable number.

1122440272 is an abundant number, since it is smaller than the sum of its proper divisors (1126290800).

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

1122440272 is a wasteful number, since it uses less digits than its factorization.

1122440272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16147 (or 16141 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1122440272 is about 33502.8397602353. The cubic root of 1122440272 is about 1039.2525052770.

Adding to 1122440272 its reverse (2720442211), we get a palindrome (3842882483).

The spelling of 1122440272 in words is "one billion, one hundred twenty-two million, four hundred forty thousand, two hundred seventy-two".