1361622236 has 48 divisors (see below), whose sum is σ = 2622644640. Its totient is φ = 614718720.

The previous prime is 1361622233. The next prime is 1361622247. The reversal of 1361622236 is 6322261631.

It is a super-2 number, since 2×1361622236² = 3708030227139279392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361622233) 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, 623795 + ... + 625973.

It is an arithmetic number, because the mean of its divisors is an integer number (54638430).

Almost surely, 2^1361622236 is an apocalyptic number.

It is an amenable number.

1361622236 is a deficient number, since it is larger than the sum of its proper divisors (1261022404).

1361622236 is a wasteful number, since it uses less digits than its factorization.

1361622236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2452 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 1361622236 is about 36900.1657990855. The cubic root of 1361622236 is about 1108.3719975406.

Adding to 1361622236 its reverse (6322261631), we get a palindrome (7683883867).

The spelling of 1361622236 in words is "one billion, three hundred sixty-one million, six hundred twenty-two thousand, two hundred thirty-six".