15226000 has 80 divisors (see below), whose sum is σ = 38533248. Its totient is φ = 5808000.

The previous prime is 15225989. The next prime is 15226007. The reversal of 15226000 is 62251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (15226007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45835 + ... + 46165.

Almost surely, 2^15226000 is an apocalyptic number.

15226000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15226000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19266624).

15226000 is an abundant number, since it is smaller than the sum of its proper divisors (23307248).

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

15226000 is a wasteful number, since it uses less digits than its factorization.

15226000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 15226000 is about 3902.0507428787. The cubic root of 15226000 is about 247.8536250351.

Adding to 15226000 its reverse (62251), we get a palindrome (15288251).

The spelling of 15226000 in words is "fifteen million, two hundred twenty-six thousand".