53722226 has 4 divisors (see below), whose sum is σ = 80583342. Its totient is φ = 26861112.

The previous prime is 53722223. The next prime is 53722241. The reversal of 53722226 is 62222735.

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., 46936201 + 6786025 = 6851^2 + 2605^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53722223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13430555 + ... + 13430558.

Almost surely, 2^53722226 is an apocalyptic number.

53722226 is a deficient number, since it is larger than the sum of its proper divisors (26861116).

53722226 is a wasteful number, since it uses less digits than its factorization.

53722226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26861115.

The product of its digits is 10080, while the sum is 29.

The square root of 53722226 is about 7329.5447334742. The cubic root of 53722226 is about 377.3271017948.

The spelling of 53722226 in words is "fifty-three million, seven hundred twenty-two thousand, two hundred twenty-six".