1359222679 has 4 divisors (see below), whose sum is σ = 1381505080. Its totient is φ = 1336940280.

The previous prime is 1359222673. The next prime is 1359222757. The reversal of 1359222679 is 9762229531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1359222679 - 2¹³ = 1359214487 is a prime.

It is a super-2 number, since 2×1359222679² = 3694972582215874082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359222673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11141109 + ... + 11141230.

It is an arithmetic number, because the mean of its divisors is an integer number (345376270).

Almost surely, 2^1359222679 is an apocalyptic number.

1359222679 is a deficient number, since it is larger than the sum of its proper divisors (22282401).

1359222679 is an equidigital number, since it uses as much as digits as its factorization.

1359222679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22282400.

The product of its digits is 408240, while the sum is 46.

The square root of 1359222679 is about 36867.6372852940. The cubic root of 1359222679 is about 1107.7205281473.

It can be divided in two parts, 135922 and 2679, that added together give a triangular number (138601 = T₅₂₆).

The spelling of 1359222679 in words is "one billion, three hundred fifty-nine million, two hundred twenty-two thousand, six hundred seventy-nine".