1102443402 has 16 divisors (see below), whose sum is σ = 2226294720. Its totient is φ = 363913152.

The previous prime is 1102443389. The next prime is 1102443409. The reversal of 1102443402 is 2043442011.

1102443402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1102443402² = 2430762909226667208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1102443409) 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, 891327 + ... + 892562.

It is an arithmetic number, because the mean of its divisors is an integer number (139143420).

Almost surely, 2^1102443402 is an apocalyptic number.

1102443402 is an abundant number, since it is smaller than the sum of its proper divisors (1123851318).

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

1102443402 is a wasteful number, since it uses less digits than its factorization.

1102443402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783997.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1102443402 is about 33203.0631418247. The cubic root of 1102443402 is about 1033.0438760759.

Adding to 1102443402 its reverse (2043442011), we get a palindrome (3145885413).

The spelling of 1102443402 in words is "one billion, one hundred two million, four hundred forty-three thousand, four hundred two".