354421422808 has 8 divisors (see below), whose sum is σ = 664540167780. Its totient is φ = 177210711400.

The previous prime is 354421422769. The next prime is 354421422841. The reversal of 354421422808 is 808224124453.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×354421422808² (a number of 24 digits) contains 22 as substring.

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, 22151338918 + ... + 22151338933.

Almost surely, 2^354421422808 is an apocalyptic number.

It is an amenable number.

354421422808 is a deficient number, since it is larger than the sum of its proper divisors (310118744972).

354421422808 is a wasteful number, since it uses less digits than its factorization.

354421422808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44302677857 (or 44302677853 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 43.

The spelling of 354421422808 in words is "three hundred fifty-four billion, four hundred twenty-one million, four hundred twenty-two thousand, eight hundred eight".