354223731 has 8 divisors (see below), whose sum is σ = 476631760. Its totient is φ = 233982432.

The previous prime is 354223729. The next prime is 354223741. The reversal of 354223731 is 137322453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 354223731 - 2¹ = 354223729 is a prime.

It is a super-3 number, since 3×354223731³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354223721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541300 + ... + 541953.

It is an arithmetic number, because the mean of its divisors is an integer number (59578970).

Almost surely, 2^354223731 is an apocalyptic number.

354223731 is a deficient number, since it is larger than the sum of its proper divisors (122408029).

354223731 is a wasteful number, since it uses less digits than its factorization.

354223731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083365.

The product of its digits is 15120, while the sum is 30.

The square root of 354223731 is about 18820.8323673529. The cubic root of 354223731 is about 707.5533926501.

The spelling of 354223731 in words is "three hundred fifty-four million, two hundred twenty-three thousand, seven hundred thirty-one".