355622397 has 16 divisors (see below), whose sum is σ = 523094208. Its totient is φ = 213505920.

The previous prime is 355622387. The next prime is 355622401. The reversal of 355622397 is 793226553.

It is not a de Polignac number, because 355622397 - 2¹⁰ = 355621373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355622317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109603 + ... + 112800.

It is an arithmetic number, because the mean of its divisors is an integer number (32693388).

Almost surely, 2^355622397 is an apocalyptic number.

It is an amenable number.

355622397 is a deficient number, since it is larger than the sum of its proper divisors (167471811).

355622397 is a wasteful number, since it uses less digits than its factorization.

355622397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222460.

The product of its digits is 340200, while the sum is 42.

The square root of 355622397 is about 18857.9531497986. The cubic root of 355622397 is about 708.4834368612.

The spelling of 355622397 in words is "three hundred fifty-five million, six hundred twenty-two thousand, three hundred ninety-seven".