994222141 has 4 divisors (see below), whose sum is σ = 1084605984. Its totient is φ = 903838300.

The previous prime is 994222133. The next prime is 994222147. The reversal of 994222141 is 141222499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141222499 = 11 ⋅12838409.

It is a cyclic number.

It is not a de Polignac number, because 994222141 - 2³ = 994222133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994222097 and 994222106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994222147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45191905 + ... + 45191926.

It is an arithmetic number, because the mean of its divisors is an integer number (271151496).

Almost surely, 2^994222141 is an apocalyptic number.

It is an amenable number.

994222141 is a deficient number, since it is larger than the sum of its proper divisors (90383843).

994222141 is a wasteful number, since it uses less digits than its factorization.

994222141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90383842.

The product of its digits is 10368, while the sum is 34.

The square root of 994222141 is about 31531.2882863990. The cubic root of 994222141 is about 998.0703257524.

The spelling of 994222141 in words is "nine hundred ninety-four million, two hundred twenty-two thousand, one hundred forty-one".