63222274 has 4 divisors (see below), whose sum is σ = 94833414. Its totient is φ = 31611136.

The previous prime is 63222259. The next prime is 63222277. The reversal of 63222274 is 47222236.

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., 53655625 + 9566649 = 7325^2 + 3093^2 .

It is not an unprimeable number, because it can be changed into a prime (63222277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15805567 + ... + 15805570.

Almost surely, 2^63222274 is an apocalyptic number.

63222274 is a deficient number, since it is larger than the sum of its proper divisors (31611140).

63222274 is a wasteful number, since it uses less digits than its factorization.

63222274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31611139.

The product of its digits is 8064, while the sum is 28.

The square root of 63222274 is about 7951.2435505398. The cubic root of 63222274 is about 398.3731297031.

The spelling of 63222274 in words is "sixty-three million, two hundred twenty-two thousand, two hundred seventy-four".