15022420 has 36 divisors (see below), whose sum is σ = 36700020. Its totient is φ = 5150208.

The previous prime is 15022417. The next prime is 15022429. The reversal of 15022420 is 2422051.

15022420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3161284 + 11861136 = 1778^2 + 3444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15022394 and 15022403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15022429) 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, 6685 + ... + 8644.

It is an arithmetic number, because the mean of its divisors is an integer number (1019445).

Almost surely, 2^15022420 is an apocalyptic number.

15022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15022420 is an abundant number, since it is smaller than the sum of its proper divisors (21677600).

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

15022420 is a wasteful number, since it uses less digits than its factorization.

15022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15352 (or 15343 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 15022420 is about 3875.8766750246. The cubic root of 15022420 is about 246.7440184322.

Adding to 15022420 its reverse (2422051), we get a palindrome (17444471).

The spelling of 15022420 in words is "fifteen million, twenty-two thousand, four hundred twenty".