1362221536 has 48 divisors (see below), whose sum is σ = 2893136400. Its totient is φ = 627637248.

The previous prime is 1362221533. The next prime is 1362221573. The reversal of 1362221536 is 6351222631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1362221498 and 1362221507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1362221533) 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, 271660 + ... + 276628.

It is an arithmetic number, because the mean of its divisors is an integer number (60273675).

Almost surely, 2^1362221536 is an apocalyptic number.

1362221536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1362221536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446568200).

1362221536 is an abundant number, since it is smaller than the sum of its proper divisors (1530914864).

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

1362221536 is a wasteful number, since it uses less digits than its factorization.

1362221536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651 (or 5643 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 1362221536 is about 36908.2854654615. The cubic root of 1362221536 is about 1108.5345854428.

It can be divided in two parts, 13622 and 21536, that multiplied together give a palindrome (293363392).

The spelling of 1362221536 in words is "one billion, three hundred sixty-two million, two hundred twenty-one thousand, five hundred thirty-six".