1622057754154 has 4 divisors (see below), whose sum is σ = 2433086631234. Its totient is φ = 811028877076.

The previous prime is 1622057754151. The next prime is 1622057754167. The reversal of 1622057754154 is 4514577502261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1184455658929 + 437602095225 = 1088327^2 + 661515^2 .

It is a super-2 number, since 2×1622057754154² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1622057754098 and 1622057754107.

It is not an unprimeable number, because it can be changed into a prime (1622057754151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405514438537 + ... + 405514438540.

Almost surely, 2^{1622057754154} is an apocalyptic number.

1622057754154 is a deficient number, since it is larger than the sum of its proper divisors (811028877080).

1622057754154 is an equidigital number, since it uses as much as digits as its factorization.

1622057754154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811028877079.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 1622057754154 in words is "one trillion, six hundred twenty-two billion, fifty-seven million, seven hundred fifty-four thousand, one hundred fifty-four".