22295460 has 144 divisors (see below), whose sum is σ = 71322048. Its totient is φ = 5195520.

The previous prime is 22295443. The next prime is 22295473. The reversal of 22295460 is 6459222.

It is a super-2 number, since 2×22295460² = 994175073223200, which contains 22 as substring.

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

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 47 ways as a sum of consecutive naturals, for example, 268579 + ... + 268661.

It is an arithmetic number, because the mean of its divisors is an integer number (495292).

Almost surely, 2^22295460 is an apocalyptic number.

22295460 is a gapful number since it is divisible by the number (20) 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 22295460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35661024).

22295460 is an abundant number, since it is smaller than the sum of its proper divisors (49026588).

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

22295460 is a wasteful number, since it uses less digits than its factorization.

22295460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 22295460 is about 4721.8068575493. The cubic root of 22295460 is about 281.4527387591.

The spelling of 22295460 in words is "twenty-two million, two hundred ninety-five thousand, four hundred sixty".