15229494 has 72 divisors (see below), whose sum is σ = 39693888. Its totient is φ = 4203360.

The previous prime is 15229481. The next prime is 15229523. The reversal of 15229494 is 49492251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27064 + ... + 27620.

It is an arithmetic number, because the mean of its divisors is an integer number (551304).

Almost surely, 2^15229494 is an apocalyptic number.

15229494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15229494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19846944).

15229494 is an abundant number, since it is smaller than the sum of its proper divisors (24464394).

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

15229494 is a wasteful number, since it uses less digits than its factorization.

15229494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 600 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 15229494 is about 3902.4984304930. The cubic root of 15229494 is about 247.8725823960.

It can be divided in two parts, 152 and 29494, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 15229494 in words is "fifteen million, two hundred twenty-nine thousand, four hundred ninety-four".