1102231644 has 12 divisors (see below), whose sum is σ = 2571873864. Its totient is φ = 367410544.

The previous prime is 1102231643. The next prime is 1102231649. The reversal of 1102231644 is 4461322011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102231643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45926307 + ... + 45926330.

It is an arithmetic number, because the mean of its divisors is an integer number (214322822).

Almost surely, 2^1102231644 is an apocalyptic number.

It is an amenable number.

1102231644 is an abundant number, since it is smaller than the sum of its proper divisors (1469642220).

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

1102231644 is a wasteful number, since it uses less digits than its factorization.

1102231644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91852644 (or 91852642 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1102231644 is about 33199.8741563880. The cubic root of 1102231644 is about 1032.9777292750.

Adding to 1102231644 its reverse (4461322011), we get a palindrome (5563553655).

The spelling of 1102231644 in words is "one billion, one hundred two million, two hundred thirty-one thousand, six hundred forty-four".