22515246030 has 32 divisors (see below), whose sum is σ = 54136512288. Its totient is φ = 5992963200.

The previous prime is 22515246023. The next prime is 22515246037. The reversal of 22515246030 is 3064251522.

It is an interprime number because it is at equal distance from previous prime (22515246023) and next prime (22515246037).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22515246037) 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, 677401 + ... + 709860.

It is an arithmetic number, because the mean of its divisors is an integer number (1691766009).

Almost surely, 2^22515246030 is an apocalyptic number.

22515246030 is an abundant number, since it is smaller than the sum of its proper divisors (31621266258).

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

22515246030 is a wasteful number, since it uses less digits than its factorization.

22515246030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387812.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22515246030 its reverse (3064251522), we get a palindrome (25579497552).

The spelling of 22515246030 in words is "twenty-two billion, five hundred fifteen million, two hundred forty-six thousand, thirty".