149222398 has 8 divisors (see below), whose sum is σ = 241051608. Its totient is φ = 68871864.

The previous prime is 149222357. The next prime is 149222431. The reversal of 149222398 is 893222941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 149222398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2869636 + ... + 2869687.

It is an arithmetic number, because the mean of its divisors is an integer number (30131451).

Almost surely, 2^149222398 is an apocalyptic number.

149222398 is a deficient number, since it is larger than the sum of its proper divisors (91829210).

149222398 is a wasteful number, since it uses less digits than its factorization.

149222398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739338.

The product of its digits is 62208, while the sum is 40.

The square root of 149222398 is about 12215.6619959788. The cubic root of 149222398 is about 530.4095540920.

The spelling of 149222398 in words is "one hundred forty-nine million, two hundred twenty-two thousand, three hundred ninety-eight".