354401222 has 24 divisors (see below), whose sum is σ = 623885976. Its totient is φ = 150537408.

The previous prime is 354401219. The next prime is 354401231. The reversal of 354401222 is 222104453.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4928 + ... + 27075.

It is an arithmetic number, because the mean of its divisors is an integer number (25995249).

Almost surely, 2^354401222 is an apocalyptic number.

354401222 is a deficient number, since it is larger than the sum of its proper divisors (269484754).

354401222 is a wasteful number, since it uses less digits than its factorization.

354401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32132 (or 32125 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 354401222 is about 18825.5470571243. The cubic root of 354401222 is about 707.6715509199.

Adding to 354401222 its reverse (222104453), we get a palindrome (576505675).

The spelling of 354401222 in words is "three hundred fifty-four million, four hundred one thousand, two hundred twenty-two".