15020226 has 24 divisors (see below), whose sum is σ = 35047740. Its totient is φ = 4621536.

The previous prime is 15020221. The next prime is 15020237. The reversal of 15020226 is 62202051.

It can be written as a sum of positive squares in 2 ways, for example, as 14861025 + 159201 = 3855^2 + 399^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 15020199 and 15020208.

It is not an unprimeable number, because it can be changed into a prime (15020221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31861 + ... + 32328.

Almost surely, 2^15020226 is an apocalyptic number.

15020226 is an abundant number, since it is smaller than the sum of its proper divisors (20027514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15020226 is a wasteful number, since it uses less digits than its factorization.

15020226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64210 (or 64207 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 15020226 is about 3875.5936319485. The cubic root of 15020226 is about 246.7320056599.

Adding to 15020226 its reverse (62202051), we get a palindrome (77222277).

The spelling of 15020226 in words is "fifteen million, twenty thousand, two hundred twenty-six".