355220444 has 12 divisors (see below), whose sum is σ = 641688768. Its totient is φ = 171880800.

The previous prime is 355220443. The next prime is 355220479. The reversal of 355220444 is 444022553.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355220443) 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, 1432217 + ... + 1432464.

It is an arithmetic number, because the mean of its divisors is an integer number (53474064).

Almost surely, 2^355220444 is an apocalyptic number.

It is an amenable number.

355220444 is a deficient number, since it is larger than the sum of its proper divisors (286468324).

355220444 is a wasteful number, since it uses less digits than its factorization.

355220444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864716 (or 2864714 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 355220444 is about 18847.2927498885. The cubic root of 355220444 is about 708.2164079327.

Adding to 355220444 its reverse (444022553), we get a palindrome (799242997).

It can be divided in two parts, 355220 and 444, that multiplied together give a triangular number (157717680 = T₁₇₇₆₀).

The spelling of 355220444 in words is "three hundred fifty-five million, two hundred twenty thousand, four hundred forty-four".