351435405226 has 4 divisors (see below), whose sum is σ = 527153107842. Its totient is φ = 175717702612.

The previous prime is 351435405179. The next prime is 351435405239. The reversal of 351435405226 is 622504534153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622504534153 = 37 ⋅16824446869.

It can be written as a sum of positive squares in only one way, i.e., 245713533025 + 105721872201 = 495695^2 + 325149^2 .

It is a super-3 number, since 3×351435405226³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87858851305 + ... + 87858851308.

Almost surely, 2^351435405226 is an apocalyptic number.

351435405226 is a deficient number, since it is larger than the sum of its proper divisors (175717702616).

351435405226 is a wasteful number, since it uses less digits than its factorization.

351435405226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175717702615.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 351435405226 its reverse (622504534153), we get a palindrome (973939939379).

The spelling of 351435405226 in words is "three hundred fifty-one billion, four hundred thirty-five million, four hundred five thousand, two hundred twenty-six".