1380222536 has 64 divisors (see below), whose sum is σ = 3243663360. Its totient is φ = 534888000.

The previous prime is 1380222533. The next prime is 1380222553. The reversal of 1380222536 is 6352220831.

It is not an unprimeable number, because it can be changed into a prime (1380222533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111791 + ... + 123521.

It is an arithmetic number, because the mean of its divisors is an integer number (50682240).

Almost surely, 2^1380222536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380222536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621831680).

1380222536 is an abundant number, since it is smaller than the sum of its proper divisors (1863440824).

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

1380222536 is a wasteful number, since it uses less digits than its factorization.

1380222536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11946 (or 11942 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1380222536 is about 37151.3463551457. The cubic root of 1380222536 is about 1113.3961230877.

The spelling of 1380222536 in words is "one billion, three hundred eighty million, two hundred twenty-two thousand, five hundred thirty-six".