1102217428 has 24 divisors (see below), whose sum is σ = 2079082152. Its totient is φ = 508268544.

The previous prime is 1102217411. The next prime is 1102217429. The reversal of 1102217428 is 8247122011.

It can be written as a sum of positive squares in 4 ways, for example, as 155301444 + 946915984 = 12462^2 + 30772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1102217396 and 1102217405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102217429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54576 + ... + 71992.

It is an arithmetic number, because the mean of its divisors is an integer number (86628423).

Almost surely, 2^1102217428 is an apocalyptic number.

It is an amenable number.

1102217428 is a deficient number, since it is larger than the sum of its proper divisors (976864724).

1102217428 is a wasteful number, since it uses less digits than its factorization.

1102217428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18651 (or 18649 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1102217428 is about 33199.6600585006. The cubic root of 1102217428 is about 1032.9732883227.

Adding to 1102217428 its reverse (8247122011), we get a palindrome (9349339439).

It can be divided in two parts, 110221 and 7428, that added together give a 6-th power (117649 = 7⁶).

The spelling of 1102217428 in words is "one billion, one hundred two million, two hundred seventeen thousand, four hundred twenty-eight".