332242420 has 12 divisors (see below), whose sum is σ = 697709124. Its totient is φ = 132896960.

The previous prime is 332242409. The next prime is 332242423. The reversal of 332242420 is 24242233.

It can be written as a sum of positive squares in 2 ways, for example, as 227466724 + 104775696 = 15082^2 + 10236^2 .

It is a super-2 number, since 2×332242420² = 220770051294912800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332242391 and 332242400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332242423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8306041 + ... + 8306080.

It is an arithmetic number, because the mean of its divisors is an integer number (58142427).

Almost surely, 2^332242420 is an apocalyptic number.

It is an amenable number.

332242420 is an abundant number, since it is smaller than the sum of its proper divisors (365466704).

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

332242420 is a wasteful number, since it uses less digits than its factorization.

332242420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16612130 (or 16612128 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 332242420 is about 18227.5182073699. The cubic root of 332242420 is about 692.6040506244.

Adding to 332242420 its reverse (24242233), we get a palindrome (356484653).

The spelling of 332242420 in words is "three hundred thirty-two million, two hundred forty-two thousand, four hundred twenty".