356622242 has 4 divisors (see below), whose sum is σ = 534933366. Its totient is φ = 178311120.

The previous prime is 356622241. The next prime is 356622247. The reversal of 356622242 is 242226653.

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

It can be written as a sum of positive squares in only one way, i.e., 345922801 + 10699441 = 18599^2 + 3271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 356622199 and 356622208.

It is not an unprimeable number, because it can be changed into a prime (356622241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89155559 + ... + 89155562.

Almost surely, 2^356622242 is an apocalyptic number.

356622242 is a deficient number, since it is larger than the sum of its proper divisors (178311124).

356622242 is a wasteful number, since it uses less digits than its factorization.

356622242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178311123.

The product of its digits is 34560, while the sum is 32.

The square root of 356622242 is about 18884.4444450982. Note that the first 5 decimals coincide. The cubic root of 356622242 is about 709.1467910166.

Adding to 356622242 its reverse (242226653), we get a palindrome (598848895).

The spelling of 356622242 in words is "three hundred fifty-six million, six hundred twenty-two thousand, two hundred forty-two".