102744422 has 16 divisors (see below), whose sum is σ = 171301392. Its totient is φ = 45820320.

The previous prime is 102744407. The next prime is 102744431. The reversal of 102744422 is 224447201.

It is a super-2 number, since 2×102744422² = 21112832504228168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102744391 and 102744400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42893 + ... + 45224.

It is an arithmetic number, because the mean of its divisors is an integer number (10706337).

Almost surely, 2^102744422 is an apocalyptic number.

102744422 is a deficient number, since it is larger than the sum of its proper divisors (68556970).

102744422 is a wasteful number, since it uses less digits than its factorization.

102744422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88183.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 102744422 is about 10136.2923201731. The cubic root of 102744422 is about 468.3667803127.

The spelling of 102744422 in words is "one hundred two million, seven hundred forty-four thousand, four hundred twenty-two".