1378471622 has 48 divisors (see below), whose sum is σ = 2522508480. Its totient is φ = 558633600.

The previous prime is 1378471613. The next prime is 1378471649. The reversal of 1378471622 is 2261748731.

It is a self number, because there is not a number n which added to its sum of digits gives 1378471622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115097 + ... + 126507.

It is an arithmetic number, because the mean of its divisors is an integer number (52552260).

Almost surely, 2^1378471622 is an apocalyptic number.

1378471622 is a deficient number, since it is larger than the sum of its proper divisors (1144036858).

1378471622 is a wasteful number, since it uses less digits than its factorization.

1378471622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11477 (or 11460 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 1378471622 is about 37127.7742667131. The cubic root of 1378471622 is about 1112.9251155183.

The spelling of 1378471622 in words is "one billion, three hundred seventy-eight million, four hundred seventy-one thousand, six hundred twenty-two".