153072226 has 4 divisors (see below), whose sum is σ = 229608342. Its totient is φ = 76536112.

The previous prime is 153072223. The next prime is 153072247. The reversal of 153072226 is 622270351.

153072226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622270351 = 5449 ⋅114199.

It can be written as a sum of positive squares in only one way, i.e., 109181601 + 43890625 = 10449^2 + 6625^2 .

It is a super-2 number, since 2×153072226² = 46862212745190152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153072194 and 153072203.

It is not an unprimeable number, because it can be changed into a prime (153072223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38268055 + ... + 38268058.

Almost surely, 2^153072226 is an apocalyptic number.

153072226 is a deficient number, since it is larger than the sum of its proper divisors (76536116).

153072226 is an equidigital number, since it uses as much as digits as its factorization.

153072226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76536115.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 153072226 is about 12372.2360953871. The cubic root of 153072226 is about 534.9322719749.

The spelling of 153072226 in words is "one hundred fifty-three million, seventy-two thousand, two hundred twenty-six".