361140722 has 4 divisors (see below), whose sum is σ = 541711086. Its totient is φ = 180570360.

The previous prime is 361140721. The next prime is 361140737. The reversal of 361140722 is 227041163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227041163 = 1609 ⋅141107.

It can be written as a sum of positive squares in only one way, i.e., 330548761 + 30591961 = 18181^2 + 5531^2 .

It is a junction number, because it is equal to n+sod(n) for n = 361140691 and 361140700.

It is not an unprimeable number, because it can be changed into a prime (361140721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90285179 + ... + 90285182.

Almost surely, 2^361140722 is an apocalyptic number.

361140722 is a deficient number, since it is larger than the sum of its proper divisors (180570364).

361140722 is a wasteful number, since it uses less digits than its factorization.

361140722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180570363.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 361140722 is about 19003.7028497080. The cubic root of 361140722 is about 712.1292439389.

Adding to 361140722 its reverse (227041163), we get a palindrome (588181885).

The spelling of 361140722 in words is "three hundred sixty-one million, one hundred forty thousand, seven hundred twenty-two".