40223552 has 14 divisors (see below), whose sum is σ = 79818738. Its totient is φ = 20111744.

The previous prime is 40223549. The next prime is 40223569. The reversal of 40223552 is 25532204.

It can be written as a sum of positive squares in only one way, i.e., 34386496 + 5837056 = 5864^2 + 2416^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314183 + ... + 314310.

Almost surely, 2^40223552 is an apocalyptic number.

It is an amenable number.

40223552 is a deficient number, since it is larger than the sum of its proper divisors (39595186).

40223552 is an equidigital number, since it uses as much as digits as its factorization.

40223552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628505 (or 628495 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40223552 is about 6342.2040332995. The cubic root of 40223552 is about 342.6311203436.

Adding to 40223552 its reverse (25532204), we get a palindrome (65755756).

The spelling of 40223552 in words is "forty million, two hundred twenty-three thousand, five hundred fifty-two".