1542722 has 8 divisors (see below), whose sum is σ = 2320272. Its totient is φ = 769300.

The previous prime is 1542703. The next prime is 1542727. The reversal of 1542722 is 2272451.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1542727) 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, 197 + ... + 1767.

It is an arithmetic number, because the mean of its divisors is an integer number (290034).

2^1542722 is an apocalyptic number.

1542722 is a deficient number, since it is larger than the sum of its proper divisors (777550).

1542722 is a wasteful number, since it uses less digits than its factorization.

1542722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its digits is 1120, while the sum is 23.

The square root of 1542722 is about 1242.0636054567. The cubic root of 1542722 is about 115.5480332190.

The spelling of 1542722 in words is "one million, five hundred forty-two thousand, seven hundred twenty-two".