22424948 has 54 divisors (see below), whose sum is σ = 49505526. Its totient is φ = 8858304.

The previous prime is 22424911. The next prime is 22424957. The reversal of 22424948 is 84942422.

22424948 = T₃₇₇ + T₃₇₈ + ... + T₅₇₂.

It can be written as a sum of positive squares in 3 ways, for example, as 2729104 + 19695844 = 1652^2 + 4438^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32786 + ... + 33462.

It is an arithmetic number, because the mean of its divisors is an integer number (916769).

Almost surely, 2^22424948 is an apocalyptic number.

22424948 is a gapful number since it is divisible by the number (28) 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 22424948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24752763).

22424948 is an abundant number, since it is smaller than the sum of its proper divisors (27080578).

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

22424948 is a wasteful number, since it uses less digits than its factorization.

22424948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 699 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 22424948 is about 4735.4987065778. The cubic root of 22424948 is about 281.9965628406.

The spelling of 22424948 in words is "twenty-two million, four hundred twenty-four thousand, nine hundred forty-eight".