205422342 has 32 divisors (see below), whose sum is σ = 414685440. Its totient is φ = 67837920.

The previous prime is 205422317. The next prime is 205422367. The reversal of 205422342 is 243224502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (205422317) and next prime (205422367).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527884 + ... + 528272.

It is an arithmetic number, because the mean of its divisors is an integer number (12958920).

Almost surely, 2^205422342 is an apocalyptic number.

205422342 is an abundant number, since it is smaller than the sum of its proper divisors (209263098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205422342 is a wasteful number, since it uses less digits than its factorization.

205422342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 205422342 is about 14332.5622970912. The cubic root of 205422342 is about 590.0415004802.

Adding to 205422342 its reverse (243224502), we get a palindrome (448646844).

The spelling of 205422342 in words is "two hundred five million, four hundred twenty-two thousand, three hundred forty-two".