1102638422 has 8 divisors (see below), whose sum is σ = 1692421896. Its totient is φ = 538497792.

The previous prime is 1102638421. The next prime is 1102638437. The reversal of 1102638422 is 2248362011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1102638422² = 2431622979341300168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102638421) 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, 6410603 + ... + 6410774.

It is an arithmetic number, because the mean of its divisors is an integer number (211552737).

Almost surely, 2^1102638422 is an apocalyptic number.

1102638422 is a deficient number, since it is larger than the sum of its proper divisors (589783474).

1102638422 is a wasteful number, since it uses less digits than its factorization.

1102638422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821422.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1102638422 is about 33205.9997891947. Note that the first 3 decimals coincide. The cubic root of 1102638422 is about 1033.1047869393.

The spelling of 1102638422 in words is "one billion, one hundred two million, six hundred thirty-eight thousand, four hundred twenty-two".