340022051 has 4 divisors (see below), whose sum is σ = 341345352. Its totient is φ = 338698752.

The previous prime is 340022047. The next prime is 340022057. The reversal of 340022051 is 150220043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150220043 = 1237 ⋅121439.

It is a cyclic number.

It is not a de Polignac number, because 340022051 - 2² = 340022047 is a prime.

It is a super-2 number, since 2×340022051² = 231229990332493202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340022057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661265 + ... + 661778.

It is an arithmetic number, because the mean of its divisors is an integer number (85336338).

Almost surely, 2^340022051 is an apocalyptic number.

340022051 is a deficient number, since it is larger than the sum of its proper divisors (1323301).

340022051 is a wasteful number, since it uses less digits than its factorization.

340022051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323300.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 340022051 is about 18439.6868465817. The cubic root of 340022051 is about 697.9682931550.

Adding to 340022051 its reverse (150220043), we get a palindrome (490242094).

The spelling of 340022051 in words is "three hundred forty million, twenty-two thousand, fifty-one".