43444156425622 has 4 divisors (see below), whose sum is σ = 65166234638436. Its totient is φ = 21722078212810.

The previous prime is 43444156425617. The next prime is 43444156425667. The reversal of 43444156425622 is 22652465144434.

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

It is a super-2 number, since 2×43444156425622² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43444156425622.

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, 10861039106404 + ... + 10861039106407.

It is an arithmetic number, because the mean of its divisors is an integer number (16291558659609).

Almost surely, 2^{43444156425622} is an apocalyptic number.

43444156425622 is a deficient number, since it is larger than the sum of its proper divisors (21722078212814).

43444156425622 is a wasteful number, since it uses less digits than its factorization.

43444156425622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21722078212813.

The product of its digits is 22118400, while the sum is 52.

The spelling of 43444156425622 in words is "forty-three trillion, four hundred forty-four billion, one hundred fifty-six million, four hundred twenty-five thousand, six hundred twenty-two".