264420522 has 24 divisors (see below), whose sum is σ = 574753764. Its totient is φ = 87856704.

The previous prime is 264420509. The next prime is 264420523. The reversal of 264420522 is 225024462.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 167417721 + 97002801 = 12939^2 + 9849^2 .

It is not an unprimeable number, because it can be changed into a prime (264420523) 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, 17833 + ... + 29100.

Almost surely, 2^264420522 is an apocalyptic number.

264420522 is an abundant number, since it is smaller than the sum of its proper divisors (310333242).

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

264420522 is a wasteful number, since it uses less digits than its factorization.

264420522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47254 (or 47251 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 264420522 is about 16261.0123301103. The cubic root of 264420522 is about 641.8473011513.

Adding to 264420522 its reverse (225024462), we get a palindrome (489444984).

The spelling of 264420522 in words is "two hundred sixty-four million, four hundred twenty thousand, five hundred twenty-two".